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Illiciaceae
A.C.Sm. Albert Charles Smith (April 5, 1906 – May 23, 1999) was an American botany, botanist who served as director of the National Museum of Natural History and Arnold Arboretum and was the former president of the American Society of Plant Taxonomists. ...
was a family of
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 recognized in a number of systems of plant taxonomy. The Illiciaceae is not recognized as a distinct family by the
APG III system The APG III system of flowering plant classification is the third version of a modern, mostly molecular-based, system of plant taxonomy being developed by the Angiosperm Phylogeny Group (APG). Published in 2009, it was superseded in 2016 by a fur ...
of plant taxonomy, the most well accepted system in use today. The
APG II system The APG II system (Angiosperm Phylogeny Group II system) of plant classification is the second, now obsolete, version of a modern, mostly molecular-based, system of plant taxonomy that was published in April 2003 by the Angiosperm Phylogeny Gro ...
treated Illiciaceae as a family that may either be treated as part of another family, the
Schisandraceae Schisandraceae is a family of flowering plants with 3 known genera and a total of 92 known species. Such a family has been recognized by most taxonomists, at least for the past several decades. Before that, the plants concerned were assigned to f ...
or allows for the optional
segregation Segregation may refer to: Separation of people * Geographical segregation, rates of two or more populations which are not homogenous throughout a defined space * School segregation * Housing segregation * Racial segregation, separation of humans ...
of the Illiciaceae from the Schisandraceae. The Illiciaceae as an optional segregate family then has the traditional circumscription of other taxonomic systems, consisting of a single genus, ''
Illicium ''Illicium'' is a genus of flowering plants treated as part of the family Schisandraceae,
''. The updated
APG III system The APG III system of flowering plant classification is the third version of a modern, mostly molecular-based, system of plant taxonomy being developed by the Angiosperm Phylogeny Group (APG). Published in 2009, it was superseded in 2016 by a fur ...
of 2009 does not recognize this family and includes ''Illicium'' in the
Schisandraceae Schisandraceae is a family of flowering plants with 3 known genera and a total of 92 known species. Such a family has been recognized by most taxonomists, at least for the past several decades. Before that, the plants concerned were assigned to f ...
.


Description

The family consists of
shrub A shrub (often also called a bush) is a small-to-medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees ...
s or small
tree In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, including only woody plants with secondary growth, plants that are ...
s usually with volatile aromatic compounds. The leaves are
evergreen In botany, an evergreen is a plant which has foliage that remains green and functional through more than one growing season. This also pertains to plants that retain their foliage only in warm climates, and contrasts with deciduous plants, which ...
, simple, alternate, spiral (sometimes crowded towards the tips of the twigs), leathery, petiolate, pinnately veined, non-sheathing, gland-dotted or not gland-dotted; also are aromatic, or without marked odour. The lamina is entire. The flowers are hermaphrodite, and usually showy, ranging in size from small to large, and composed of numerous distinct parts that change grade slightly as they spiral around the receptacle. The parts begin with a
perianth The perianth (perigonium, perigon or perigone in monocots) is the non-reproductive part of the flower, and structure that forms an envelope surrounding the sexual organs, consisting of the calyx (sepals) and the corolla (petals) or tepals when ...
of whorled
tepal A tepal is one of the outer parts of a flower (collectively the perianth). The term is used when these parts cannot easily be classified as either sepals or petals. This may be because the parts of the perianth are undifferentiated (i.e. of very ...
s, with the outer whorls more
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 ...
oid, graduating to more
petal Petals are modified Leaf, leaves that surround the reproductive parts of flowers. They are often advertising coloration, brightly colored or unusually shaped to attract pollinators. All of the petals of a flower are collectively known as the ''c ...
oid inner tepals. The
stamen The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filame ...
s are also numerous and in a whorl. The
carpel Gynoecium (; ) is most commonly used as a collective term for the parts of a flower that produce ovules and ultimately develop into the fruit and seeds. The gynoecium is the innermost whorl of a flower; it consists of (one or more) ''pistils'' ...
s are arranged in a whorl, are separate, and number from 5 to numerous carpels in each whorl, each carpel containing a single
ovule In seed plants, the ovule is the structure that gives rise to and contains the female reproductive cells. It consists of three parts: the ''integument'', forming its outer layer, the ''nucellus'' (or remnant of the megasporangium), and the fe ...
. The stem presents nodes unilacunar (with one trace), with internal phloem absent, secondary thickening developing from a conventional cambial ring, xylem with tracheids; The sieve-tube plastids are S-type. The fruit is non-fleshy; the fruiting carpel is dehiscent, with a follicle (the cycle of follicles often spreading radially in a stellate pattern) and presents only one seed. The seeds are copiously endospermic and oily. The embryo is well differentiated (very small), achlorophyllous. The germination is phanerocotylar.


Phytochemistry

Leaves bear essential oils. Proanthocyanidins present (
cyanidin Cyanidin is a natural organic compound. It is a particular type of anthocyanidin (glycoside version called anthocyanins). It is a pigment found in many red berries including grapes, bilberry, blackberry, blueberry, cherry, chokeberry, cranb ...
and
delphinidin Delphinidin (also delphinidine) is an anthocyanidin, a primary plant pigment, and also an antioxidant. Delphinidin gives blue hues to flowers in the genera ''Viola'' and ''Delphinium''. It also gives the blue-red color of the grape that produces ...
). Flavonols present (
kaempferol Kaempferol (3,4′,5,7-tetrahydroxyflavone) is a natural flavonol, a type of flavonoid, found in a variety of plants and plant-derived foods including kale, beans, tea, spinach, and broccoli. Kaempferol is a yellow crystalline solid with a meltin ...
and
quercetin Quercetin is a plant flavonol from the flavonoid group of polyphenols. It is found in many fruits, vegetables, leaves, seeds, and grains; capers, red onions, and kale are common foods containing appreciable amounts of it. It has a bitter flavor a ...
). The fruits produce 2.5 – 5% of essential oil (
Anethole Anethole (also known as anise camphor) is an organic compound that is widely used as a flavoring substance. It is a derivative of phenylpropene, a type of aromatic compound that occurs widely in nature, in essential oils. It is in the class of p ...
, 80-90%, chavicol, safrol,
shikimic acid Shikimic acid, more commonly known as its anionic form shikimate, is a cyclohexene, a cyclitol and a cyclohexanecarboxylic acid. It is an important biochemical metabolite in plants and microorganisms. Its name comes from the Japanese flower ''shi ...
); also contents veranisatins A, B and C and merrilactons.


Distribution and species

The single genus, ''Illicium'', has about 40 species native to sub-tropical and tropical
Southeast Asia Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical United Nations geoscheme for Asia#South-eastern Asia, south-eastern region of Asia, consistin ...
and the southeastern
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
, the
Caribbean The Caribbean (, ) ( es, El Caribe; french: la Caraïbe; ht, Karayib; nl, De Caraïben) is a region of the Americas that consists of the Caribbean Sea, its islands (some surrounded by the Caribbean Sea and some bordering both the Caribbean Se ...
, and parts of
Mexico Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatema ...
. Species * ''
Illicium verum ''Illicium verum'' is a medium-sized evergreen tree native to northeast Vietnam and southwest China. A spice commonly called star anise, staranise, star anise seed, star aniseed, star of anise, Chinese star anise, or badian that closely resembl ...
'' * ''
Illicium floridanum ''Illicium floridanum'' (also known as purple anise, Florida anise, stink-bush, or star-anise) is an evergreen shrub native to the Gulf Coast area of the Southern United States, from Florida to Louisiana. Description The Florida anise tree has ...
'' * '' Illicium henryi'' * ''
Illicium parviflorum ''Illicium parviflorum'', commonly known as yellow anisetree, yellow-anise, swamp star-anise,Illicium anisatum ''Illicium anisatum'', with common names Japanese star anise, Aniseed tree, and sacred Anise tree, known in Japan as , is a tree closely related to the Chinese star anise (''Illicium verum)''. Since it is highly toxic, the fruit is not edible; ...
'' For further details of placement in various
systems A system is a group of interacting or interrelated elements that act according to a set of rules to form a unified whole. A system, surrounded and influenced by its environment, is described by its boundaries, structure and purpose and express ...
see the entry for family
Schisandraceae Schisandraceae is a family of flowering plants with 3 known genera and a total of 92 known species. Such a family has been recognized by most taxonomists, at least for the past several decades. Before that, the plants concerned were assigned to f ...
.


References


External links

:
Illiciaceae
in L. Watson and M.J. Dallwitz (1992 onwards)
The families of flowering plants:
descriptions, illustrations, identification, information retrieval''. Version: 3 May 2006. http://delta-intkey.com. :
Illiciaceae in the ''Flora of North America''
{{Taxonbar, from=Q1045795 Austrobaileyales Historically recognized angiosperm families