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This is a list of the

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

flora Flora is all the plant life present in a particular region or time, generally the naturally occurring (indigenous) native plants. Sometimes bacteria and fungi are also referred to as flora, as in the terms '' gut flora'' or '' skin flora''. E ...

Puerto Rico Puerto Rico (; abbreviated PR; tnq, Boriken, ''Borinquen''), officially the Commonwealth of Puerto Rico ( es, link=yes, Estado Libre Asociado de Puerto Rico, lit=Free Associated State of Puerto Rico), is a Caribbean island and Unincorporated ...

. This list is sorted in alphabetical order by

binomial names In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...

. Common names are in parentheses.

Apocynaceae Apocynaceae (from ''Apocynum'', Greek for "dog-away") is a family of flowering plants that includes trees, shrubs, herbs, stem succulents, and vines, commonly known as the dogbane family, because some taxa were used as dog poison Members of the ...

*'' Forsteronia portoricensis'' *'' Tabernaemontana oppositifolia''

Aquifoliaceae ''Ilex'' (), or holly, is a genus of over 570 species of flowering plants in the family Aquifoliaceae, and the only living genus in that family. ''Ilex'' has the most species of any woody dioecious angiosperm genus. The species are evergreen o ...

*''

Ilex cookii ''Ilex cookii'' (Cook's holly or ''te'') is a species of plant in the family Aquifoliaceae. It is endemic to Puerto Rico. It is threatened by habitat loss. It is a federally listed endangered species of the United States. Conservation This tree ...

'' ( Cook's Holly) *'' Ilex sintenisii'' ( Sintenis' Holly)

Araliaceae The Araliaceae are a family of flowering plants composed of about 43 genera and around 1500 species consisting of primarily woody plants and some herbaceous plants. The morphology of Araliaceae varies widely, but it is predominantly distinguisha ...

*'' Dendropanax laurifolius'' *'' Schefflera gleasonii''

Asclepiadaceae The Asclepiadoideae are a subfamily of plants in the family Apocynaceae. Formerly, they were treated as a separate family under the name Asclepiadaceae, e.g. by APG II, and known as the milkweed family. They form a group of perennial herbs, twin ...

*''

Marsdenia elliptica ''Marsdenia elliptica'', the jungle netvine, is a species of flowering plant in the family Apocynaceae. It is endemic to forests in Puerto Rico Puerto Rico (; abbreviated PR; tnq, Boriken, ''Borinquen''), officially the Commonwealth of Pue ...

'' *'' Matelea borinquensis'' *'' Matelea sintenisii'' *'' Matelea variifolia''

Asteraceae The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...

*''

Chromolaena borinquensis ''Chromolaena borinquensis'', the limestone thoroughwort, is a West Indian species of flowering shrub in the family Asteraceae. It is native to the Commonwealth of Puerto Rico, part of the United States. The epithet ''borinquensis'' is derived f ...

'' *''

Critonia portoricense ''Critonia'' is a genus of flowering plants in the tribe Eupatorieae of the family Asteraceae. The most notable trait that characterizes the genus is the presence of pellucid punctations caused by internal secretory pockets of the leaves - to be ...

'' *''

Koanophyllon dolicholepis ''Koanophyllon dolicholepis'' is a species of flowering plant in the family Asteraceae. It is found only in Puerto Rico Puerto Rico (; abbreviated PR; tnq, Boriken, ''Borinquen''), officially the Commonwealth of Puerto Rico ( es, link=yes, ...

'' *''

Koanophyllon polyodon ''Koanophyllon'' is a genus of plants in the family Asteraceae. They are perennials and shrubs (rarely vines or trees) and are native to South America, Central America, the West Indies, Mexico, with a few species range extending into the United S ...

'' *''

Mikania odoratissima ''Mikania'' is a genus of about 450 species of plants in the tribe Eupatorieae within the family Asteraceae. The name honors the Czech botanist Johann Christian Mikan, 1743–1814. Members of the genus are stem twiners and lianas and are common ...

'' *''

Mikania porosa ''Mikania'' is a genus of about 450 species of plants in the tribe Eupatorieae within the family Asteraceae. The name honors the Czech botanist Johann Christian Mikan, 1743–1814. Members of the genus are stem twiners and lianas and are common ...

'' *''

Vernonia proctorii ''Vernonia proctorii'' is a rare species of flowering plant in the aster family known by the common name Proctor's ironweed. It is endemic to Puerto Rico, where there are two populations. It is threatened by the destruction of its habitat. It is ...

Begoniaceae Begoniaceae is a family of flowering plants with two genera and about 2040 species occurring in the subtropics and tropics of both the New World and Old World. All but one of the species are in the genus ''Begonia''. There have been many recent d ...

*'' Begonia decandra''

Bignoniaceae Bignoniaceae is a family of flowering plants in the order Lamiales commonly known as the bignonias or trumpetvines.Vernon H. Heywood, Richard K. Brummitt, Ole Seberg, and Alastair Culham. ''Flowering Plant Families of the World''. Firefly Books: ...

*''

Crescentia portoricensis ''Crescentia portoricensis'', commonly known as higuero de sierra, is a species of plant in the family Bignoniaceae. It is a perennial evergreen shrub endemic to Puerto Rico. It is threatened by habitat loss Habitat destruction (also terme ...

'' ( Higuero de sierra) *'' Tabebuia haemantha''

Boraginaceae Boraginaceae, the borage or forget-me-not family, includes about 2,000 species of shrubs, trees and herbs in 146, to 156 genera with a worldwide distribution. The APG IV system from 2016 classifies the Boraginaceae as single family of the order ...

*'' Cordia bellonis'' *'' Cordia wagneriorum'' (Luquillo Mountain manjack)

Bromeliaceae The Bromeliaceae (the bromeliads) are a family of monocot Monocotyledons (), commonly referred to as monocots, (Lilianae ''sensu'' Chase & Reveal) are grass and grass-like flowering plants (angiosperms), the seeds of which typically contain o ...

*''

Hohenbergia antillana ''Hohenbergia'' is a genus of plants in the family Bromeliaceae, subfamily Bromelioideae. It is native to the West Indies, the Yucatán Peninsula, and northern South America (Colombia, Venezuela, Brazil). The genus name is named after Duke Paul ...

Buxaceae The Buxaceae are a small family of six genera and about 123 known species of flowering plants. They are shrubs and small trees, with a cosmopolitan distribution. A seventh genus, sometimes accepted in the past (''Notobuxus''), has been shown by ...

*''

Buxus portoricensis ''Buxus'' is a genus of about seventy species in the family Buxaceae. Common names include box or boxwood. The boxes are native to western and southern Europe, southwest, southern and eastern Asia, Africa, Madagascar, northernmost South ...

Cactaceae A cactus (, or less commonly, cactus) is a member of the plant family Cactaceae, a family comprising about 127 genera with some 1750 known species of the order Caryophyllales. The word ''cactus'' derives, through Latin, from the Ancient Greek ...

*''

Harrisia portoricensis ''Harrisia portoricensis'' is a species of cactus in the genus '' Harrisia''. Its common names include ''higo chumbo'' and Puerto Rico applecactus. Distribution It is endemic to Puerto Rico, where it is known from three smaller islands off the c ...

'' (Puerto Rico applecactus)

Campanulaceae The family Campanulaceae (also bellflower family), of the order Asterales, contains nearly 2400 species in 84 genera of herbaceous plants, shrubs, and rarely small trees, often with milky sap. Among them are several familiar garden plants belon ...

*'' Lobelia assurgens var. portoricensis''

Canellaceae The Canellaceae are a family of flowering plants in the order Canellales.Walter S. Judd, Christopher S. Campbell, Elizabeth A. Kellogg, Peter F. Stevens, and Michael J. Donoghue. 2008. ''Plant Systematics: A Phylogenetic Approach'', Third Editio ...

*'' Pleodendron macranthum'' (Chupacallos)

Celastraceae The Celastraceae (staff-vine or bittersweet) are a family of 97 genera and 1,350 species of herbs, vines, shrubs and small trees, belonging to the order Celastrales. The great majority of the genera are tropical, with only ''Celastrus'' (the staf ...

*'' Maytenus ponceana''

Clusiaceae The Clusiaceae or Guttiferae Juss. (1789) (''nom. alt. et cons.'' = alternative and valid name) are a family of plants including 13 genera and ca 750 species. Several former members of Clusiacae are now placed in Calophyllaceae and Hypericaceae. ...

*'' Clusia gundlachii''

Cyatheaceae The Cyatheaceae are a family of ferns, the scaly tree ferns, one of eight families in the order Cyatheales in the Pteridophyte Phylogeny Group classification of 2016 (PPG I). Alternatively, the family may defined much more broadly (Cyatheaceae '' ...

*'' Alsophila amintae'' *'' Alsophila bryophila'' *'' Cyathea portoricensis''

Cyperaceae The Cyperaceae are a family of graminoid (grass-like), monocotyledonous flowering plants known as sedges. The family is large, with some 5,500 known species described in about 90 genera, the largest being the "true sedges" genus ''Carex'' w ...

*'' Eleocharis sintenisii''

Ebenaceae The Ebenaceae are a family of flowering plants belonging to order Ericales. The family includes ebony and persimmon among about 768 species of trees and shrubs. It is distributed across the tropical and warmer temperate regions of the world. It ...

*'' Diospyros sintenisii''

Ericaceae The Ericaceae are a family of flowering plants, commonly known as the heath or heather family, found most commonly in acidic and infertile growing conditions. The family is large, with c.4250 known species spread across 124 genera, making it th ...

*'' Lyonia truncata var. proctorii''

Euphorbiaceae Euphorbiaceae, the spurge family, is a large family of flowering plants. In English, they are also commonly called euphorbias, which is also the name of a genus in the family. Most spurges, such as ''Euphorbia paralias'', are herbs, but some, e ...

*'' Acalypha bisetosa'' *'' Acalypha portoricensis'' *''

Hieronyma clusioides ''Hieronyma clusioides'' is a species of plant in the family Phyllanthaceae, which was recently separated from the Euphorbiaceae. It is endemic to Puerto Rico Puerto Rico (; abbreviated PR; tnq, Boriken, ''Borinquen''), officially the Comm ...

Fabaceae The Fabaceae or Leguminosae,International Code of Nomenc ...

*'' Calliandra locoensis'' *'' Neorudolphia volubilis'' *'' Poitea florida''

Flacourtiaceae The Flacourtiaceae is a defunct family of flowering plants whose former members have been scattered to various families, mostly to the Achariaceae and Salicaceae. It was so vaguely defined that hardly anything seemed out of place there and it beca ...

*''

Banara portoricensis ''Banara'' is a genus of flowering plants in the family Salicaceae (formerly in Flacourtiaceae). Species accepted by the Plants of the World Online as of October 2022: *'' Banara acunae'' *'' Banara arguta'' *'' Banara axilliflora'' *'' B ...

Gesneriaceae Gesneriaceae, the gesneriad family, is a family of flowering plants consisting of about 152 genera and ca. 3,540 species in the tropics and subtropics of the Old World (almost all Didymocarpoideae) and the New World (most Gesnerioideae), with ...

*''

Gesneria citrina ''Gesneria'' is a genus of approximately 50 species in the flowering plant family Gesneriaceae. Except for two or three odd South American species, all are native to islands of the Caribbean. The genus is classified in the tribe Gesnerieae alo ...

'' *''

Gesneria cuneifolia ''Gesneria cuneifolia'' (yerba parrera) is a plant species in the family Gesneriaceae Gesneriaceae, the gesneriad family, is a family of flowering plants consisting of about 152 genera and ca. 3,540 species in the tropics and subtropics of ...

'' *''

Gesneria pedunculosa ''Gesneria'' is a genus of approximately 50 species in the flowering plant family Gesneriaceae. Except for two or three odd South American species, all are native to islands of the Caribbean. The genus is classified in the tribe Gesnerieae alo ...

Icacinaceae The Icacinaceae, also called the white pear family, are a family of flowering plants,"Icacinaceae" At: Angiosperm Phylogeny Website At: Missouri Botanical Garden Website (see ''External links'' below). consisting of trees, shrubs, and lianas, pri ...

*'' Ottoschulzia rhodoxylon'' (''Palo de Rosa'')

Lauraceae Lauraceae, or the laurels, is a plant family that includes the true laurel and its closest relatives. This family comprises about 2850 known species in about 45 genera worldwide (Christenhusz & Byng 2016 ). They are dicotyledons, and occur ma ...

*''

Licaria brittoniana ''Licaria'' is a flowering plant genus in the family (biology), family Lauraceae, native to Central America and South America. It is a Neotropical genus with around 80 species. Overview ''Licaria'' is a Neotropical genus consisting of about 80 s ...

Loranthaceae Loranthaceae, commonly known as the showy mistletoes, is a family of flowering plants. It consists of about 75 genera and 1,000 species of woody plants, many of them hemiparasites. The three terrestrial species are ''Nuytsia floribunda'' (the W ...

*'' Dendropemon bicolor''

Magnoliaceae The Magnoliaceae () are a flowering plant family, the magnolia family, in the order Magnoliales. It consists of two genera: ''Magnolia'' and ''Liriodendron'' (tulip trees). Unlike most angiosperms, whose flower parts are in whorls (rings), the ...

*''

Magnolia portoricensis ''Magnolia portoricensis'' is a tree of the Caribbean region. Its vernacular names include jagüilla and Puerto Rico magnolia. It is native to Puerto Rico and it is found in the Toro Negro State Forest Toro Negro State Forest (Spanish: ''B ...

'' *''

Magnolia splendens ''Magnolia splendens'', commonly known as the laurel magnolia, shining magnolia or locally as the laurel sabino, is a magnolia native to the eastern Puerto Rico. It is a medium to large evergreen tree 16–80 ft tall with dark green leaves ...

Malpighiaceae Malpighiaceae is a family of flowering plants in the order Malpighiales. It comprises about 73 genera and 1315 species, all of which are native to the tropics and subtropics. About 80% of the genera and 90% of the species occur in the New World ( ...

*'' Heteropteris wydleriana'' *'' Stigmaphyllon floribundum''

Malvaceae Malvaceae, or the mallows, is a family of flowering plants estimated to contain 244 genera with 4225 known species. Well-known members of economic importance include okra, cotton, cacao and durian. There are also some genera containing familiar ...

*''

Thespesia grandiflora ''Thespesia grandiflora'' is a tree in the family Malvaceae of the rosids clade. Its common name is maga. This tree is widely distributed throughout Puerto Rico where it is endemic.Marcgraviaceae The Marcgraviaceae are a neotropical angiosperm family in the order Ericales. The members of the family are shrubs, woody epiphytes, and lianas, with alternate, pinnately nerved leaves. The flowers are arranged in racemes. The flowers are accompa ...

*'' Marcgravia sintenisii'' (Bejuco de palma, Bejuco de lira, Bejuco de rana, Lira del Yunque, Pegapalma)

Melastomataceae Melastomataceae is a family of dicotyledonous flowering plants found mostly in the tropics (two-thirds of the genera are from the New World tropics) comprising c. 175 genera and c. 5115 known species. Melastomes are annual or perennial herbs, sh ...

*'' Henriettea membranifolia'' *'' Heterotrichum cymosum'' *(?)'' Sagraea portoricensis'' (Puerto Rico hogwood)

Meliaceae Meliaceae, the mahogany family, is a flowering plant family of mostly trees and shrubs (and a few herbaceous plants, mangroves) in the order Sapindales. They are characterised by alternate, usually pinnate leaves without stipules, and by syncarp ...

*'' Trichilia triacantha'' (Bariaco)

Moraceae The Moraceae — often called the mulberry family or fig family — are a family of flowering plants comprising about 38 genera and over 1100 species. Most are widespread in tropical and subtropical regions, less so in temperate climates; however ...

*'' Ficus stahlii''

Myrtaceae Myrtaceae, the myrtle family, is a family of dicotyledonous plants placed within the order Myrtales. Myrtle, pōhutukawa, bay rum tree, clove, guava, acca (feijoa), allspice, and eucalyptus are some notable members of this group. All speci ...

*'' Calyptranthes acevedoi'' *'' Calyptranthes estremerae'' *'' Calyptranthes luquillensis'' (Luquillo Forest Lidflower) *'' Eugenia eggersii'' *'' Eugenia haematocarpa'' *'' Eugenia padronii'' *'' Eugenia stewardsonii'' *'' Marlierea sintenisii'' *'' Myrcia margarettae'' *'' Myrcia paganii'' *''

Psidium amplexicaule ''Psidium amplexicaule'', which is commonly known as mountain guava, is a species in the family Myrtaceae that is native to the Caribbean. It is rare in a moist limestone forest at 100–600 feet altitude on north coast of Puerto Rico. This plan ...

'' *'' Psidium sintenisii'' (''Hoja Menuda'')

Nyctaginaceae Nyctaginaceae, the four o'clock family, is a family of around 33 genera and 290 species of flowering plants, widely distributed in tropical and subtropical regions, with a few representatives in temperate regions. The family has a unique fruit t ...

*'' Neea buxifolia''

Orchidaceae Orchids are plants that belong to the family Orchidaceae (), a diverse and widespread group of flowering plants with blooms that are often colourful and fragrant. Along with the Asteraceae, they are one of the two largest families of flowering ...

*''

Brachionidium ciliolatum ''Brachionidium'' (or cup orchid) is a genus of about 72 species of orchids, found throughout much of tropical America (Central America, the West Indies, and South America as far south as Brazil and Bolivia).Luteyn, J. L. 1999. Páramos, a check ...

'' *'' Leochilus puertoricensis'' *'' Lepanthes caritensis'' *''

Lepanthes eltoroensis ''Lepanthes eltoroensis'' is a species of orchid known by the common name Luquillo Mountain babyboot orchid. It is endemic to El Yunque National Forest in Puerto Rico, growing primarily in the Luquillo Mountains. It is named for the El Toro Trail ...

'' (Luquillo Mountain babyboot orchid) *'' Lepanthes woodburyana'' *'' Lepanthes caritensis'' *'' Psychilis kraenzlinii'' *''

Psychilis krugii ''Psychilis'', common name peacock orchid, is a genus of flowering plants from the orchid family, Orchidaceae. It consists of about 15 species native to the West Indies.Pridgeon, A.M., Cribb, P.J., Chase, M.C. & Rasmussen, F.N. (2006). Epidendroi ...

'' *'' Psychilis monensis'' *'' Lepanthes stimsonii''

Passifloraceae The Passifloraceae are a family of flowering plants, containing about 750 species classified in around 27 genera. They include trees, shrubs, lianas, and climbing plants, and are mostly found in tropical regions. The family takes its name from t ...

*'' Passiflora tulae''

Phyllanthaceae Phyllanthaceae is a family of flowering plants in the eudicot order Malpighiales. It is most closely related to the family Picrodendraceae.Kenneth J. Wurdack and Charles C. Davis. 2009. "Malpighiales phylogenetics: Gaining ground on one of the ...

*''

'' (Cedro Macho)

Piperaceae The Piperaceae (), also known as the pepper family, are a large family of flowering plants. The group contains roughly 3,600 currently accepted species in 5 genera. The vast majority of species can be found within the two main genera: ''Piper'' ( ...

*'' Peperomia maxonii''

Poaceae Poaceae () or Gramineae () is a large and nearly ubiquitous family of monocotyledonous flowering plants commonly known as grasses. It includes the cereal grasses, bamboos and the grasses of natural grassland and species cultivated in lawns an ...

*'' Aristida chaseae'' *'' Aristida portoricensis'' (''Pelos del diablo'')

Polygalaceae The Polygalaceae or the milkwort family are made up of flowering plants in the order Fabales. They have a near-cosmopolitan range, with about 27 genera and ''ca''. 900 known species of herbs, shrubs and trees. Over half of the species are in one ...

*''

Coccoloba rugosa ''Coccoloba'' is a genus of about 120–150 species of flowering plants in the family Polygonaceae, which is native to the Neotropics. There is no overall English name for the genus, although many of the individual species have widely used common ...

'' *'' Polygala cowellii''

Polygonaceae The Polygonaceae are a family of flowering plants known informally as the knotweed family or smartweed—buckwheat family in the United States. The name is based on the genus ''Polygonum'', and was first used by Antoine Laurent de Jussieu in 1789 ...

*''

Coccoloba pyrifolia ''Coccoloba'' is a genus of about 120–150 species of flowering plants in the family Polygonaceae, which is native to the Neotropics. There is no overall English name for the genus, although many of the individual species have widely used common ...

'' *'' Coccoloba swartzii f. urbaniana''

Polypodiales The order Polypodiales encompasses the major lineages of polypod ferns, which comprise more than 80% of today's fern species. They are found in many parts of the world including tropical, semitropical and temperate areas. Description Polypodiale ...

*''

Amauropelta inabonensis ''Amauropelta inabonensis'', synonym ''Thelypteris inabonensis'', is a rare species of fern known by the common name cordillera maiden fern.Amauropelta rheophyta'' *''

Asplenium corderoanum ''Asplenium'' is a genus of about 700 species of ferns, often treated as the only genus in the family Aspleniaceae, though other authors consider '' Hymenasplenium'' separate, based on molecular phylogenetic analysis of DNA sequences, a different ...

'' *'' Goniopteris abdita'' *'' Goniopteris hildae'' *'' Goniopteris verecunda'' *'' Goniopteris yaucoensis'' *'' Tectaria estremerana''

Rhamnaceae The Rhamnaceae are a large family of flowering plants, mostly trees, shrubs, and some vines, commonly called the buckthorn family. Rhamnaceae is included in the order Rosales. The family contains about 55 genera and 950 species. The Rhamnaceae h ...

*'' Reynosia krugii'' *''

Rhamnus sphaerosperma Rhamnus may refer to: * Rhamnus (city), or Rhamnous, an ancient Greek city in Attica * Rhamnus (Crete), or Rhamnous, an ancient Greek town in Crete * Rhamnus, an augur killed by Nisus and Euryalus in book IX of The Aeneid The ''Aeneid'' ( ; ...

Rubiaceae The Rubiaceae are a family of flowering plants, commonly known as the coffee, madder, or bedstraw family. It consists of terrestrial trees, shrubs, lianas, or herbs that are recognizable by simple, opposite leaves with interpetiolar stipules ...

*'' Antirhea obtusifolia'' *'' Antirhea portoricensis'' *'' Antirhea sintenisii'' *''

Mitracarpus maxwelliae ''Mitracarpus maxwelliae'' is a rare species of flowering plant in the rubiaceae, coffee family known by the common name Maxwell's girdlepod. It is Endemism, endemic to Puerto Rico, where it is known only from the Guánica State Forest, Guánica ...

'' *'' Mitracarpus portoricensis'' *'' Randia portoricensis'' Román Guzmán, Javier A. 2006
A study of ''Randia portoricensis''
(Urb.) Britton & Standley ubiaceae A rare species. MS Thesis, University of Puerto Rico, Mayagüez *'' Rondeletia inermis''

Salicaceae The Salicaceae is the willow family of flowering plants. The traditional family (Salicaceae ''sensu stricto'') included the willows, poplar, aspen, and cottonwoods. Genetic studies summarized by the Angiosperm Phylogeny Group (APG) have greatly ...

*''

Xylosma pachyphylla ''Xylosma pachyphylla'', commonly known as spiny logwood, is a species of flowering plant in the family Salicaceae, that is endemic to Puerto Rico. It can be found in forests on the island's western mountains, where it grows in serpentine soils. ...

'' (Spiny logwood)

Sapindaceae The Sapindaceae are a family of flowering plants in the order Sapindales known as the soapberry family. It contains 138 genera and 1858 accepted species. Examples include horse chestnut, maples, ackee and lychee. The Sapindaceae occur in tempera ...

*''

Thouinia striata ''Thouinia'' is a genus of flowering plants in the family Sapindaceae. The genus is named for André Thouin, a French botanist.Sapotaceae 240px, '' Madhuca longifolia'' var. ''latifolia'' in Narsapur, Medak district, India The Sapotaceae are a family (biology), family of flowering plants belonging to the order (biology), order Ericales. The family includes about 800 species of ev ...

*'' Chrysophyllum pauciflorum'' *'' Manilkara pleeana'' *'' Micropholis garciniifolia'' *'' Sideroxylon portoricense''

Schizaeaceae Schizaeaceae is a family of ferns in the order Schizaeales. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), it includes only two genera. Alternatively, two families kept separate in PPG I, Lygodiaceae and Anemiaceae, may be ...

*'' Anemia portoricensis''

Schoepfiaceae Schoepfiaceae is a family of flowering plants recognized in the APG III system of 2009. The family was previously only recognized by few taxonomists; the plants in question usually being assigned to family Olacaceae and Santalaceae. The genus '' ...

*''

Schoepfia arenaria ''Schoepfia arenaria'' is an extremely rare species of hemiparasitic flowering plant in the Schoepfiaceae family. It grows as a small, multi-trunked tree. It is endemic to Puerto Rico, where it is found growing along the northern coast. A local S ...

Selaginellaceae ''Selaginella'' is the sole genus of vascular plants in the family Selaginellaceae, the spikemosses or lesser clubmosses. This family is distinguished from Lycopodiaceae The Lycopodiaceae (class Lycopodiopsida, order Lycopodiales) are an o ...

*'' Selaginella krugii'' *'' Selaginella laxifolia''

Simaroubaceae The Simaroubaceae are a small, mostly tropical, family in the order Sapindales. In recent decades, it has been subject to much taxonomic debate, with several small families being split off. A molecular phylogeny of the family was published in 200 ...

*'' Simarouba tulae''

Solanaceae The Solanaceae , or nightshades, are a family of flowering plants that ranges from annual and perennial herbs to vines, lianas, epiphytes, shrubs, and trees, and includes a number of agricultural crops, medicinal plants, spices, weeds, and orn ...

*'' Goetzea elegans'' *'' Solanum drymophilum'' (Erubia)

Styracaceae The Styracaceae are a small family of flowering plants in the order Ericales, containing 12 genera and about 160 species of trees and shrubs. The family occurs in warm temperate and subtropical regions of the Northern Hemisphere. The family is c ...

*''

Styrax portoricensis ''Styrax portoricensis'', locally known as ''palo de jazmin'', is a species of flowering plant in the family Styracaceae. It is endemic to Puerto Rico. It is one of the rarest endemic trees of Puerto Rico and is known to occur only in the northea ...

'' (''Palo de Jazmin'')

Ternstroemiaceae The Pentaphylacaceae are a small family of plants within the order Ericales. In the APG III system of 2009, it includes the former family Ternstroemiaceae. Genera In 2014, the Angiosperm Phylogeny Website included 14 genera in the family: Pla ...

*'' Ternstroemia luquillensis'' (Palo Colorado) *'' Ternstroemia subsessilis''

Thymelaeaceae The Thymelaeaceae are a cosmopolitan family of flowering plants composed of 50 genera (listed below) and 898 species.Zachary S. Rogers (2009 onwards)A World Checklist of Thymelaeaceae (version 1) Missouri Botanical Garden Website, St. Louis. It ...

*'' Daphnopsis helleriana''

Urticaceae The Urticaceae are a family, the nettle family, of flowering plants. The family name comes from the genus ''Urtica''. The Urticaceae include a number of well-known and useful plants, including nettles in the genus ''Urtica'', ramie (''Boehmeri ...

*'' Pilea leptophylla''

Verbenaceae The Verbenaceae ( ), the verbena family or vervain family, is a family of mainly tropical flowering plants. It contains trees, shrubs, and herbs notable for heads, spikes, or clusters of small flowers, many of which have an aromatic smell. The ...

*''

Cornutia obovata ''Cornutia obovata'' is a rare species of tree in the mint family, and formerly considered a member of the verbena family.Bramley, G., et alNeotropical Lamiaceae.Royal Botanic Gardens, Kew, UK. It is endemic to forested slopes in Puerto Rico, w ...

Zamiaceae The Zamiaceae are a family of cycads that are superficially palm or fern-like. They are divided into two subfamilies with eight genera and about 150 species in the tropical and subtropical regions of Africa, Australia and North and South America. ...

*'' Zamia ambiphyllidia'' *''

Zamia portoricensis ''Zamia portoricensis'', the marunguey, is a species of plant in the family Zamiaceae. It is endemic to Susua State Forest region of western Puerto Rico Puerto Rico (; abbreviated PR; tnq, Boriken, ''Borinquen''), officially the Commonweal ...

Notes

References

External links

Departamento de Recursos Naturales
{{North America topic, Flora of List Puerto Rico Endemic flora

Apocynaceae Apocynaceae (from ''Apocynum'', Greek for "dog-away") is a family of flowering plants that includes trees, shrubs, herbs, stem succulents, and vines, commonly known as the dogbane family, because some taxa were used as dog poison Members of the ...

Aquifoliaceae ''Ilex'' (), or holly, is a genus of over 570 species of flowering plants in the family Aquifoliaceae, and the only living genus in that family. ''Ilex'' has the most species of any woody dioecious angiosperm genus. The species are evergreen o ...

Araliaceae The Araliaceae are a family of flowering plants composed of about 43 genera and around 1500 species consisting of primarily woody plants and some herbaceous plants. The morphology of Araliaceae varies widely, but it is predominantly distinguisha ...

Asclepiadaceae The Asclepiadoideae are a subfamily of plants in the family Apocynaceae. Formerly, they were treated as a separate family under the name Asclepiadaceae, e.g. by APG II, and known as the milkweed family. They form a group of perennial herbs, twin ...

Asteraceae The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...

Begoniaceae Begoniaceae is a family of flowering plants with two genera and about 2040 species occurring in the subtropics and tropics of both the New World and Old World. All but one of the species are in the genus ''Begonia''. There have been many recent d ...

Bignoniaceae Bignoniaceae is a family of flowering plants in the order Lamiales commonly known as the bignonias or trumpetvines.Vernon H. Heywood, Richard K. Brummitt, Ole Seberg, and Alastair Culham. ''Flowering Plant Families of the World''. Firefly Books: ...

Boraginaceae Boraginaceae, the borage or forget-me-not family, includes about 2,000 species of shrubs, trees and herbs in 146, to 156 genera with a worldwide distribution. The APG IV system from 2016 classifies the Boraginaceae as single family of the order ...

Bromeliaceae The Bromeliaceae (the bromeliads) are a family of monocot Monocotyledons (), commonly referred to as monocots, (Lilianae ''sensu'' Chase & Reveal) are grass and grass-like flowering plants (angiosperms), the seeds of which typically contain o ...

Buxaceae The Buxaceae are a small family of six genera and about 123 known species of flowering plants. They are shrubs and small trees, with a cosmopolitan distribution. A seventh genus, sometimes accepted in the past (''Notobuxus''), has been shown by ...

Cactaceae A cactus (, or less commonly, cactus) is a member of the plant family Cactaceae, a family comprising about 127 genera with some 1750 known species of the order Caryophyllales. The word ''cactus'' derives, through Latin, from the Ancient Greek ...

Campanulaceae The family Campanulaceae (also bellflower family), of the order Asterales, contains nearly 2400 species in 84 genera of herbaceous plants, shrubs, and rarely small trees, often with milky sap. Among them are several familiar garden plants belon ...

Canellaceae The Canellaceae are a family of flowering plants in the order Canellales.Walter S. Judd, Christopher S. Campbell, Elizabeth A. Kellogg, Peter F. Stevens, and Michael J. Donoghue. 2008. ''Plant Systematics: A Phylogenetic Approach'', Third Editio ...

Celastraceae The Celastraceae (staff-vine or bittersweet) are a family of 97 genera and 1,350 species of herbs, vines, shrubs and small trees, belonging to the order Celastrales. The great majority of the genera are tropical, with only ''Celastrus'' (the staf ...

Clusiaceae The Clusiaceae or Guttiferae Juss. (1789) (''nom. alt. et cons.'' = alternative and valid name) are a family of plants including 13 genera and ca 750 species. Several former members of Clusiacae are now placed in Calophyllaceae and Hypericaceae. ...

Cyatheaceae The Cyatheaceae are a family of ferns, the scaly tree ferns, one of eight families in the order Cyatheales in the Pteridophyte Phylogeny Group classification of 2016 (PPG I). Alternatively, the family may defined much more broadly (Cyatheaceae '' ...

Cyperaceae The Cyperaceae are a family of graminoid (grass-like), monocotyledonous flowering plants known as sedges. The family is large, with some 5,500 known species described in about 90 genera, the largest being the "true sedges" genus ''Carex'' w ...

Ebenaceae The Ebenaceae are a family of flowering plants belonging to order Ericales. The family includes ebony and persimmon among about 768 species of trees and shrubs. It is distributed across the tropical and warmer temperate regions of the world. It ...

Ericaceae The Ericaceae are a family of flowering plants, commonly known as the heath or heather family, found most commonly in acidic and infertile growing conditions. The family is large, with c.4250 known species spread across 124 genera, making it th ...

Euphorbiaceae Euphorbiaceae, the spurge family, is a large family of flowering plants. In English, they are also commonly called euphorbias, which is also the name of a genus in the family. Most spurges, such as ''Euphorbia paralias'', are herbs, but some, e ...

Fabaceae The Fabaceae or Leguminosae,International Code of Nomenc ...

Flacourtiaceae The Flacourtiaceae is a defunct family of flowering plants whose former members have been scattered to various families, mostly to the Achariaceae and Salicaceae. It was so vaguely defined that hardly anything seemed out of place there and it beca ...

Gesneriaceae Gesneriaceae, the gesneriad family, is a family of flowering plants consisting of about 152 genera and ca. 3,540 species in the tropics and subtropics of the Old World (almost all Didymocarpoideae) and the New World (most Gesnerioideae), with ...

Icacinaceae The Icacinaceae, also called the white pear family, are a family of flowering plants,"Icacinaceae" At: Angiosperm Phylogeny Website At: Missouri Botanical Garden Website (see ''External links'' below). consisting of trees, shrubs, and lianas, pri ...

Lauraceae Lauraceae, or the laurels, is a plant family that includes the true laurel and its closest relatives. This family comprises about 2850 known species in about 45 genera worldwide (Christenhusz & Byng 2016 ). They are dicotyledons, and occur ma ...

Loranthaceae Loranthaceae, commonly known as the showy mistletoes, is a family of flowering plants. It consists of about 75 genera and 1,000 species of woody plants, many of them hemiparasites. The three terrestrial species are ''Nuytsia floribunda'' (the W ...

Magnoliaceae The Magnoliaceae () are a flowering plant family, the magnolia family, in the order Magnoliales. It consists of two genera: ''Magnolia'' and ''Liriodendron'' (tulip trees). Unlike most angiosperms, whose flower parts are in whorls (rings), the ...

Malpighiaceae Malpighiaceae is a family of flowering plants in the order Malpighiales. It comprises about 73 genera and 1315 species, all of which are native to the tropics and subtropics. About 80% of the genera and 90% of the species occur in the New World ( ...

Malvaceae Malvaceae, or the mallows, is a family of flowering plants estimated to contain 244 genera with 4225 known species. Well-known members of economic importance include okra, cotton, cacao and durian. There are also some genera containing familiar ...

Melastomataceae Melastomataceae is a family of dicotyledonous flowering plants found mostly in the tropics (two-thirds of the genera are from the New World tropics) comprising c. 175 genera and c. 5115 known species. Melastomes are annual or perennial herbs, sh ...

Meliaceae Meliaceae, the mahogany family, is a flowering plant family of mostly trees and shrubs (and a few herbaceous plants, mangroves) in the order Sapindales. They are characterised by alternate, usually pinnate leaves without stipules, and by syncarp ...

Moraceae The Moraceae — often called the mulberry family or fig family — are a family of flowering plants comprising about 38 genera and over 1100 species. Most are widespread in tropical and subtropical regions, less so in temperate climates; however ...

Myrtaceae Myrtaceae, the myrtle family, is a family of dicotyledonous plants placed within the order Myrtales. Myrtle, pōhutukawa, bay rum tree, clove, guava, acca (feijoa), allspice, and eucalyptus are some notable members of this group. All speci ...

Nyctaginaceae Nyctaginaceae, the four o'clock family, is a family of around 33 genera and 290 species of flowering plants, widely distributed in tropical and subtropical regions, with a few representatives in temperate regions. The family has a unique fruit t ...

Orchidaceae Orchids are plants that belong to the family Orchidaceae (), a diverse and widespread group of flowering plants with blooms that are often colourful and fragrant. Along with the Asteraceae, they are one of the two largest families of flowering ...

Passifloraceae The Passifloraceae are a family of flowering plants, containing about 750 species classified in around 27 genera. They include trees, shrubs, lianas, and climbing plants, and are mostly found in tropical regions. The family takes its name from t ...

Phyllanthaceae Phyllanthaceae is a family of flowering plants in the eudicot order Malpighiales. It is most closely related to the family Picrodendraceae.Kenneth J. Wurdack and Charles C. Davis. 2009. "Malpighiales phylogenetics: Gaining ground on one of the ...

Piperaceae The Piperaceae (), also known as the pepper family, are a large family of flowering plants. The group contains roughly 3,600 currently accepted species in 5 genera. The vast majority of species can be found within the two main genera: ''Piper'' ( ...

Poaceae Poaceae () or Gramineae () is a large and nearly ubiquitous family of monocotyledonous flowering plants commonly known as grasses. It includes the cereal grasses, bamboos and the grasses of natural grassland and species cultivated in lawns an ...

Polygalaceae The Polygalaceae or the milkwort family are made up of flowering plants in the order Fabales. They have a near-cosmopolitan range, with about 27 genera and ''ca''. 900 known species of herbs, shrubs and trees. Over half of the species are in one ...

Polygonaceae The Polygonaceae are a family of flowering plants known informally as the knotweed family or smartweed—buckwheat family in the United States. The name is based on the genus ''Polygonum'', and was first used by Antoine Laurent de Jussieu in 1789 ...

Polypodiales The order Polypodiales encompasses the major lineages of polypod ferns, which comprise more than 80% of today's fern species. They are found in many parts of the world including tropical, semitropical and temperate areas. Description Polypodiale ...

Rhamnaceae The Rhamnaceae are a large family of flowering plants, mostly trees, shrubs, and some vines, commonly called the buckthorn family. Rhamnaceae is included in the order Rosales. The family contains about 55 genera and 950 species. The Rhamnaceae h ...

Rubiaceae The Rubiaceae are a family of flowering plants, commonly known as the coffee, madder, or bedstraw family. It consists of terrestrial trees, shrubs, lianas, or herbs that are recognizable by simple, opposite leaves with interpetiolar stipules ...

Salicaceae The Salicaceae is the willow family of flowering plants. The traditional family (Salicaceae ''sensu stricto'') included the willows, poplar, aspen, and cottonwoods. Genetic studies summarized by the Angiosperm Phylogeny Group (APG) have greatly ...

Sapindaceae The Sapindaceae are a family of flowering plants in the order Sapindales known as the soapberry family. It contains 138 genera and 1858 accepted species. Examples include horse chestnut, maples, ackee and lychee. The Sapindaceae occur in tempera ...

Schizaeaceae Schizaeaceae is a family of ferns in the order Schizaeales. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), it includes only two genera. Alternatively, two families kept separate in PPG I, Lygodiaceae and Anemiaceae, may be ...

Schoepfiaceae Schoepfiaceae is a family of flowering plants recognized in the APG III system of 2009. The family was previously only recognized by few taxonomists; the plants in question usually being assigned to family Olacaceae and Santalaceae. The genus '' ...

Selaginellaceae ''Selaginella'' is the sole genus of vascular plants in the family Selaginellaceae, the spikemosses or lesser clubmosses. This family is distinguished from Lycopodiaceae The Lycopodiaceae (class Lycopodiopsida, order Lycopodiales) are an o ...

Simaroubaceae The Simaroubaceae are a small, mostly tropical, family in the order Sapindales. In recent decades, it has been subject to much taxonomic debate, with several small families being split off. A molecular phylogeny of the family was published in 200 ...

Solanaceae The Solanaceae , or nightshades, are a family of flowering plants that ranges from annual and perennial herbs to vines, lianas, epiphytes, shrubs, and trees, and includes a number of agricultural crops, medicinal plants, spices, weeds, and orn ...

Styracaceae The Styracaceae are a small family of flowering plants in the order Ericales, containing 12 genera and about 160 species of trees and shrubs. The family occurs in warm temperate and subtropical regions of the Northern Hemisphere. The family is c ...

Ternstroemiaceae The Pentaphylacaceae are a small family of plants within the order Ericales. In the APG III system of 2009, it includes the former family Ternstroemiaceae. Genera In 2014, the Angiosperm Phylogeny Website included 14 genera in the family: Pla ...

Thymelaeaceae The Thymelaeaceae are a cosmopolitan family of flowering plants composed of 50 genera (listed below) and 898 species.Zachary S. Rogers (2009 onwards)A World Checklist of Thymelaeaceae (version 1) Missouri Botanical Garden Website, St. Louis. It ...

Urticaceae The Urticaceae are a family, the nettle family, of flowering plants. The family name comes from the genus ''Urtica''. The Urticaceae include a number of well-known and useful plants, including nettles in the genus ''Urtica'', ramie (''Boehmeri ...

Verbenaceae The Verbenaceae ( ), the verbena family or vervain family, is a family of mainly tropical flowering plants. It contains trees, shrubs, and herbs notable for heads, spikes, or clusters of small flowers, many of which have an aromatic smell. The ...

Zamiaceae The Zamiaceae are a family of cycads that are superficially palm or fern-like. They are divided into two subfamilies with eight genera and about 150 species in the tropical and subtropical regions of Africa, Australia and North and South America. ...

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