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''Sarcostemma'' is a genus of flowering plants in the Apocynum, dogbane family, Apocynaceae, first described as a genus in 1810. The name is derived from the Greek language, Greek words σαρκὸς (''sarkos''), meaning "flesh," and στέμμα (''stemma''), meaning "garland". Members of the genus are known generally as climbing milkweeds or caustic bushes. They are found across Africa and tropical Asia, in Australia, and in parts of North America. These plants are perennial flowering shrubs with trailing vines or lianas. They are often adapted to heat and/or desert conditions. Some have few or no leaves and photosynthesize in the tissues of the green stems. The soft stems are filled with a milky white latex that is poisonous and corrosive, caustic in some species. The flowers have a ring of thick tissue at the base which extends into hollow spherical appendages within the flower corolla.
/ref> ;Formerly included moved to other genera ''(Cynanchum, Funastrum, Leptadenia, Philibertia, Tetraphysa)''
Jepson Manual Treatment''Sarcostemma'' in Australia
{{Taxonbar, from=Q1117141 Sarcostemma, Asclepiadoideae Apocynaceae genera Taxonomy articles created by Polbot
''Sarcostemma'' is a genus of flowering plants in the Apocynum, dogbane family, Apocynaceae, first described as a genus in 1810. The name is derived from the Greek language, Greek words σαρκὸς (''sarkos''), meaning "flesh," and στέμμα (''stemma''), meaning "garland". Members of the genus are known generally as climbing milkweeds or caustic bushes. They are found across Africa and tropical Asia, in Australia, and in parts of North America. These plants are perennial flowering shrubs with trailing vines or lianas. They are often adapted to heat and/or desert conditions. Some have few or no leaves and photosynthesize in the tissues of the green stems. The soft stems are filled with a milky white latex that is poisonous and corrosive, caustic in some species. The flowers have a ring of thick tissue at the base which extends into hollow spherical appendages within the flower corolla.
Taxonomy
The taxonomic status of this genus is contested. The genus ''Sarcostemma'' has been shown to be nested within the genus ''Cynanchum'', and in 2012 ''Sarcostemma'' was put into synonymy with ''Cynanchum''.Goyder, D.J 2008 Nomenclatural changes resulting from the transfer of tropical African ''Sarcostemma'' to ''Cynanchum'' (Apocynaceae: Asclepiadoideae) Kew Bulletin 63:3Ulrich Meve, Sigrid Liede-Schumann 2012. Taxonomic dissolution of ''Sarcostemma'' (Apocynaceae: Asclepiadoideae). Kew Bulletin 67:4 Thus ''Sarcostemma viminale'' has been renamed ''Cynanchum viminale''. However this change has not been accepted by all taxonomists and the name ''Sarcostemma'' remains in use by a minority.Schmelzer, G. H. ; Gurib-Fakim, A. ; Arroo, R. R. J. ; Bosch, C. H. ; de Ruijter, A. ; Simmonds, M. S. J. 2008 “Plant Resources of Tropical Africa, Volume 11: Medicinal Plants 1” Backhuys Publishers, Wageningen, Netherlands. ;SpeciesThe Plant List, ''Sarcostemma''/ref> ;Formerly included moved to other genera ''(Cynanchum, Funastrum, Leptadenia, Philibertia, Tetraphysa)''
References
External links
Jepson Manual Treatment
{{Taxonbar, from=Q1117141 Sarcostemma, Asclepiadoideae Apocynaceae genera Taxonomy articles created by Polbot