Chloranthaceae

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Chloranthaceae
Sarcandra glabra
Scientific classification
Kingdom: Plantae Division: Angiospermae Class: see text Order: Chloranthales P. F. Stevens (2001 onwards) Family: Chloranthaceae R.Br. ex Sims (1820)
genera
Ascarina Chloranthus Hedyosmum Sarcandra

Chloranthaceae is the botanical name of a family of flowering plants. The family consists of four genera, totalling several dozen species, of herbaceous or woody plants primarily occurring in the tropics and sub-tropics. Members of this family are aromatic and have opposite leaves with distinctive serrate margins and interpetiolar stipules (similar to the stipules found in family Rubiaceae). The flowers are inconspicuous, and arranged in inflorescences. Petals are absent in this family, and sometimes so are sepals. The flowers can be either hermaphrodite or of separate sexes. The fruit is drupe-like, consisting of one carpel.

Chloranthaceae have been recognised as a family in most classifications but without clear relatives. Molecular systematic studies have shown that it is not closely related to any other family and is among the early-diverging lineages in the angiosperms. In particular, it is neither a eudicot nor a monocot. Fossils assigned to Chloranthaceae, or closely related, are among the oldest angiosperms known. The APG II system (2003) leaves the family unplaced as to order but Stevens (2001 onwards) accepts the order Chloranthales, containing only this family.

The current phylogeny is:

The Cronquist system (1981) assigned the family

to the order Piperales

in subclass Magnoliidae

in class Magnoliopsida [=dicotyledons]

of division Magnoliophyta [=angiosperms].

The Thorne system (1992) placed it

in the order Magnoliales, which was assigned

to superorder Magnolianae

in subclass Magnoliideae [=dicotyledons],

in class Magnoliopsida [=angiosperms].

The Dahlgren system raised the family to be

its own order Chloranthales, which was assigned

to superorder Magnolianae

in subclass Magnoliideae [=dicotyledons],

in class Magnoliopsida [=angiosperms].

External links

• Chloranthales in Stevens, P. F. (2001 onwards). Angiosperm Phylogeny Website. Version 7, May 2006.
• Chloranthaceae 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.
• Andes Trees
• NCBI Taxonomy Browser
• Images of Chloranthus Flavon's art gallery: Chloranthaceae
• Image of Chloranthus oldhamii
• Image of Chloranthus serratus
• Images of Sarcandra glabracz:Chloranthaceae