''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

s in the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

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 ...

. Orchids in this genus are

epiphytic An epiphyte is an organism that grows on the surface of a plant and derives its moisture and nutrients from the air, rain, water (in marine environments) or from debris accumulating around it. The plants on which epiphytes grow are called phoroph ...

lithophytic Lithophytes are plants that grow in or on rocks. They can be classified as either epilithic (or epipetric) or endolithic; epilithic lithophytes grow on the surfaces of rocks, while endolithic lithophytes grow in the crevices of rocks (and are als ...

or rarely

terrestrial plant A terrestrial plant is a plant that grows on, in, or from land. Other types of plants are aquatic (living in water), epiphytic (living on trees) and lithophytic (living in or on rocks). The distinction between aquatic and terrestrial plants is ...

herbs In general use, herbs are a widely distributed and widespread group of plants, excluding vegetables and other plants consumed for macronutrients, with savory or aromatic properties that are used for flavoring and garnishing food, for medicinal ...

with many flat, often twisted leaves and small

resupinate Resupination is derived from the Latin word ''resupinus'', meaning "bent back with the face upward" or "on the back". "Resupination" is the noun form of the adjective "resupine" which means "being upside-down, supine or facing upward". The word " ...

, white or greenish flowers. The

sepal A sepal () is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom., p. 106 The term ''sepalum'' was coined b ...

s are free from each other but the

lateral Lateral is a geometric term of location which may refer to: Healthcare *Lateral (anatomy), an anatomical direction *Lateral cricoarytenoid muscle *Lateral release (surgery), a surgical procedure on the side of a kneecap Phonetics *Lateral cons ...

sepals and labellum are fused to the base of the

column A column or pillar in architecture and structural engineering is a structural element that transmits, through compression, the weight of the structure above to other structural elements below. In other words, a column is a compression member. ...

. The genus ''Appendicula'' was first formally described in 1825 by

Carl Ludwig Blume Charles Ludwig de Blume or Karl Ludwig von Blume (9 June 1796, Braunschweig – 3 February 1862, Leiden) was a German-Dutch botanist. He was born at Braunschweig in Germany, but studied at Leiden University and spent his professional life wor ...

who published the description in ''Bijdragen tot de flora van Nederlandsch Indië''. The name ''Appendicula'' is the diminutive form of the

Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...

word ''appendix'' meaning "appendage" or "addition", hence "little appendage", referring to the "inward-facing appendages on the labellum". Orchids in the genus ''Appendicula'' occur from

tropical The tropics are the regions of Earth surrounding the Equator. They are defined in latitude by the Tropic of Cancer in the Northern Hemisphere at N and the Tropic of Capricorn in the Southern Hemisphere at S. The tropics are also referred to ...

and

subtropical The subtropical zones or subtropics are geographical zone, geographical and Köppen climate classification, climate zones to the Northern Hemisphere, north and Southern Hemisphere, south of the tropics. Geographically part of the Geographical z ...

Asia to the western

Pacific The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...

List of species

The following is a list of species of ''Appendicula'' accepted by the

World Checklist of Selected Plant Families The World Checklist of Selected Plant Families (usually abbreviated to WCSP) is an "international collaborative programme that provides the latest peer reviewed and published opinions on the accepted scientific names and synonyms of selected plan ...

as at January 2019: * '' Appendicula aberrans'' Schltr. * ''

Appendicula adnata ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, ...

'' J.J.Sm. * ''

Appendicula alatocaulis ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, oft ...

'' P.O'Byrne & J.J.Verm. * ''

Appendicula alba ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, oft ...

'' Blume * ''

Appendicula anceps ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, oft ...

'' Blume ** ''Appendicula anceps'' var. ''anceps''. ** ''Appendicula anceps'' var. ''celebica'' Schltr. * ''

Appendicula ancosiphila ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, oft ...

'' Ormerod * ''

Appendicula anemophila ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, oft ...

'' (Schltr.) J.J.Sm. * ''

Appendicula angustifolia ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, oft ...

'' Blume * ''

Appendicula annamensis ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, oft ...

'' Guillaumin * ''

Appendicula anomala ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, oft ...

'' (Schltr.) Schltr. * ''

Appendicula babiensis ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, oft ...

'' J.J.Sm. * ''

Appendicula baliensis ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, oft ...

'' J.J.Sm. * '' Appendicula biloba'' J.J.Sm. ** ''Appendicula biloba'' var. ''angustifolia'' J.J.Sm. ** ''Appendicula biloba'' var. ''biloba''. * '' Appendicula bilobulata'' J.J.Wood * '' Appendicula biumbonata'' Schltr. * '' Appendicula bracteata'' (Schltr.) J.J.Sm. * '' Appendicula bracteosa'' Rchb.f. in B.Seemann * '' Appendicula brassii'' Ormerod * '' Appendicula brevimentum'' J.J.Sm. * ''

Appendicula buxifolia ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the Family (biology), family Orchidaceae. Orchids in this genus are Epiphyte, epiphytic, Lithophyte, lithophytic or rarely terr ...

'' Blume * '' Appendicula calcarata'' Ridl. * ''

Appendicula calcicola ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, o ...

'' Schltr. * '' Appendicula callifera'' J.J.Sm. * ''

Appendicula carinifera ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, oft ...

'' Schltr. * '' Appendicula carnosa'' Blume * ''

Appendicula celebica ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the Family (biology), family Orchidaceae. Orchids in this genus are Epiphyte, epiphytic, Lithophyte, lithophytic or rarely terr ...

'' (Schltr.) Schltr. * '' Appendicula chalmersiana'' F.Muell. * '' Appendicula clemensiae'' (Ames) Ames * '' Appendicula clemensiorum'' J.J.Wood * ''

Appendicula collina ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, o ...

'' (Schltr.) J.J.Sm. * '' Appendicula concava'' Schltr. * '' Appendicula congenera'' Blume * ''

Appendicula congesta ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the Family (biology), family Orchidaceae. Orchids in this genus are Epiphyte, epiphytic, Lithophyte, lithophytic or rarely terr ...

'' Ridl. * '' Appendicula cornuta'' Blume * ''

Appendicula crispa ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the Family (biology), family Orchidaceae. Orchids in this genus are Epiphyte, epiphytic, Lithophyte, lithophytic or rarely terr ...

'' J.J.Sm. * '' Appendicula cristata'' Blume * ''

Appendicula crotalina ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, oft ...

Appendicula fractiflexa ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, o ...

'' J.J.Wood * '' Appendicula furfuracea'' J.J.Sm. * '' Appendicula gjellerupii'' J.J.Sm. * '' Appendicula goodenoughiana'' Ormerod * '' Appendicula gracilis'' Aver. * ''

Appendicula grandifolia ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, oft ...

'' Schltr. * '' Appendicula hexadens'' Ormerod * '' Appendicula hexandra'' (J.König) J.J.Sm. * '' Appendicula hooglandii'' Ormerod * '' Appendicula humilis'' Schltr. * '' Appendicula imbricata'' J.J.Sm. * '' Appendicula inermis'' Carr * ''

Appendicula infundibuliformis ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, oft ...

'' J.J.Sm.. * '' Appendicula irigensis'' Ames * '' Appendicula jacobsonii'' J.J.Sm. * '' Appendicula kaniensis'' Schltr. * '' Appendicula kjellbergii'' J.J.Sm. * '' Appendicula krauseana'' Schltr. * '' Appendicula lamprophylla'' Schltr.. * '' Appendicula latifolia'' (Schltr.) J.J.Sm. * '' Appendicula latilabium'' J.J.Sm. ** ''Appendicula latilabium'' var. ''latilabium''. ** ''Appendicula latilabium'' var. ''seramica'' J.J.Sm. * '' Appendicula laxifolia'' J.J.Sm. * ''

Appendicula leytensis ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the Family (biology), family Orchidaceae. Orchids in this genus are Epiphyte, epiphytic, Lithophyte, lithophytic or rarely terr ...

'' Ames * ''

Appendicula linearifolia ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, oft ...

'' Ames & C.Schweinf. * '' Appendicula linearis'' J.J.Sm. * '' Appendicula longa'' J.J.Sm. * '' Appendicula longibracteata'' Ridl. * ''

Appendicula longirostrata ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the Family (biology), family Orchidaceae. Orchids in this genus are Epiphyte, epiphytic, Lithophyte, lithophytic or rarely terr ...

'' Ames & C.Schweinf. * '' Appendicula lucbanensis'' (Ames) Ames * '' Appendicula lucida'' Ridl. * '' Appendicula lutea'' Schltr. * '' Appendicula luzonensis'' (Ames) Ames * '' Appendicula magnibracteata'' Ames & C.Schweinf. * '' Appendicula malindangensis'' (Ames) Schltr. * '' Appendicula maneauensis'' Ormerod * '' Appendicula maquilingensis'' Ames * '' Appendicula matapensis'' Ormerod * ''

Appendicula merapohensis ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, o ...

'' P.T.Ong & P.O'Byrne * '' Appendicula merrillii'' Ames * '' Appendicula mimica'' Ormerod * '' Appendicula montana'' (Schltr.) J.J.Sm. * '' Appendicula negrosiana'' (Ames) Ames * ''

Appendicula nicobarica ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, o ...

'' Jayanthi, Sumathi & Karthig. * '' Appendicula nivea'' (Schltr.) Schltr. * ''

Appendicula oblonga ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, oft ...

'' Schltr. * '' Appendicula ovalis'' (Schltr.) J.J.Sm. ex Mansf. * '' Appendicula oxysepala'' (Schltr.) J.J.Sm. * '' Appendicula padangensis'' Schltr. * '' Appendicula palustris'' J.J.Sm. * '' Appendicula pandurata'' (Schltr.) Schltr. * ''

Appendicula parvifolia ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, oft ...

'' (Schltr.) J.J.Sm. * '' Appendicula patentissima'' J.J.Sm. * '' Appendicula pauciflora'' Blume * ''

Appendicula pendula ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, of ...

'' Blume * '' Appendicula penicillata'' Blume * '' Appendicula perplexa'' (Ames) Ames * ''

Appendicula peyeriana ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, o ...

'' Kraenzl. * '' Appendicula pilosa'' J.J.Sm. ** ''Appendicula pilosa'' var. ''pilosa''. ** ''Appendicula pilosa'' var. ''sumatrana'' J.J.Sm. * '' Appendicula podochiloides'' J.J.Sm.. * '' Appendicula polita'' J.J.Sm. * '' Appendicula polyantha'' Ames * '' Appendicula polyphylla'' Schltr. * ''

Appendicula polystachya ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, o ...

'' (Schltr.) Schltr. * '' Appendicula pseudofractiflexa'' J.J.Wood * ''

Appendicula pseudopendula ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, oft ...

'' (Schltr.) Schltr. * '' Appendicula purpurascens'' Blume * '' Appendicula purpureifolia'' J.J.Sm. * ''

Appendicula ramosa ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, o ...

'' Blume * '' Appendicula recondita'' J.J.Sm. * '' Appendicula reflexa'' Blume ** ''Appendicula reflexa'' var. ''cycloglossa'' (Schltr.) Schltr. ** ''Appendicula reflexa'' var. ''kotoensis'' (Hayata) T.P.Lin ** ''Appendicula reflexa'' var. ''reflexa''. * '' Appendicula rivularis'' (Schltr.) J.J.Sm. * '' Appendicula rostellata'' J.J.Sm. * '' Appendicula rostrata'' J.J.Sm. * '' Appendicula rubens'' (Schltr.) Schltr. * '' Appendicula rupestris'' Ridl. * '' Appendicula salicifolia'' J.J.Sm. * '' Appendicula scissosaccus'' (Gilli) Ormerod * ''

Appendicula sepikiana ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, oft ...

'' Schltr. * '' Appendicula seranica'' J.J.Sm. * '' Appendicula spathilabris'' J.J.Sm. * '' Appendicula steffensiana'' (Schltr.) J.J.Sm. * '' Appendicula tagalensium'' Kraenzl. * ''

Appendicula tembuyukenensis ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, oft ...

'' J.J.Wood * '' Appendicula tenuifolia'' J.J.Wood ** ''Appendicula tenuifolia'' var. ''filiformis'' J.J.Wood ** ''Appendicula tenuifolia'' var. ''tenuifolia''. * ''

Appendicula tenuispica ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, oft ...

'' (Schltr.) Schltr. * '' Appendicula theunissenii'' J.J.Sm. * '' Appendicula togarupia'' Ormerod * '' Appendicula topensabe'' Ormerod * '' Appendicula torricelliana'' Schltr. * '' Appendicula torta'' Blume * '' Appendicula triloba'' (Schltr.) Schltr. * ''

Appendicula tubilabia ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, oft ...

'' J.J.Wood * '' Appendicula uncata'' Ridl. ** ''Appendicula uncata'' subsp. ''sarawakensis'' J.J.Wood ** ''Appendicula uncata'' subsp. ''uncata''. * ''

Appendicula undulata ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, oft ...

'' Blume ** ''Appendicula uncata'' subsp. ''sarawakensis'' J.J.Wood ** ''Appendicula uncata'' subsp. ''uncata''. * '' Appendicula vanimoensis'' Ormerod * '' Appendicula verruculifera'' J.J.Sm. * '' Appendicula wariana'' (Schltr.) Ormerod * '' Appendicula weberi'' Ames * ''

Appendicula werneri ''Appendicula'', commonly known as stream orchids or 牛齿兰属 (niu chi lan shu), is a genus of flowering plants in the family Orchidaceae. Orchids in this genus are epiphytic, lithophytic or rarely terrestrial plants herbs with many flat, o ...

'' Schltr. * '' Appendicula xytriophora'' Rchb.f

References

External links

* {{Taxonbar, from=Q133794 Podochileae genera Orchids of China Orchids of Thailand Orchids of Vietnam Orchids of Malaysia Orchids of the Philippines Orchids of Indonesia Orchids of New Guinea Orchids of Vanuatu Flora of the Southwestern Pacific Flora of the Caroline Islands Eriinae