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''Piaranthus'' is a genus of plants in the Apocynaceae, first described in 1810.〔Brown, Robert. 1810. On the Asclepiadeae 12.〕 It is native to southern Africa.〔(Tropicos )〕〔Gibbs Russell, G. E., W. G. M. Welman, E. Retief, K. L. Immelman, G. Germishuizen, B. J. Pienaar, M. Van Wyk & A. Nicholas. 1987. List of species of southern African plants. Memoirs of the Botanical Survey of South Africa 2(1–2): 1–152(pt. 1), 1–270(pt. 2). 〕 ;Species ;formerly included species transferred to other genera ''(Caralluma, Hoodia, Huerniopsis, Quaqua, Stisseria)'' ;Taxonomy Phylogenetic studies have shown the genus to be monophyletic, and to be very closely related to the ''Orbea'' and ''Stapelia'' genera. More distantly related are the ''Huernia'' and ''Tavaresia'' genera.〔P. Bruyns, C. Klak, P. Hanacek: ''Evolution of the stapeliads (Apocynaceae-Asclepiadoideae) - repeated major radiation across Africa in an Old World group. Molecular Phylogenetics and Evolution.'' 2014. v. 77, no. 1, p. 251--263. ISSN 1055-7903.〕 == References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Piaranthus」の詳細全文を読む スポンサード リンク
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