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Gelsemiaceae
Gelsemiaceae is a family of flowering plants, belonging to the order Gentianales. The family contains only three genera: ''Gelsemium'', ''Mostuea'' and ''Pteleocarpa''. ''Gelsemium'' has three species, one native to Southeast Asia and southern China and two native to Central America, Mexico, and the southeastern United States. The eight species of ''Mostuea'' are native to tropical areas of South America, Africa, and Madagascar. The two genera were formerly classified in the family Loganiaceae.〔Peter F. Stevens (2001 onwards). "Gelsemiaceae" At: Angiosperm Phylogeny Website. At: Botanical Databases At: Missouri Botanical Garden Website. (see ''External links'' below)〕
''Pteleocarpa'' was placed in Boraginaceae or in its own family Pteleocarpaceae, but it is most closely related to Gelsemiaceae with which it shares significant characters.
The family Gelsemiaceae was described in 1994.〔Lena Struwe, Victor A. Albert, and Birgitta Bremer. 1994. "Cladistics and family level classification of the Gentianales". ''Cladistics'' 10(2):175-206. 〕 It is distinguished by having no latex or stipules and by having heterostylous flowers with yellow to white corollas and superior ovaries.
In 2014, a molecular phylogenetic study of the lamiids (aka Garryidae) resolved Gelsemiaceae as sister to the anomalous genus ''Pteleocarpa''.〔Nancy F. Refulio-Rodriguez and Richard G. Olmstead. 2014. "Phylogeny of Lamiidae". ''American Journal of Botany'' 101(2):287-299. .〕 The authors of that study believe that Gelsemiaceae should be expanded to include ''Pteleocarpa''. No description of the expanded Gelsemiaceae has yet been published.
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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