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Rhyssostelma is a
species of
plants in the
family Apocynaceae first described as a
genus in 1844. It
contains only one
known species,
Rhyssostelma nigricans...
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Gothofreda Vent., nom. rej.
Metoxypetalum Morillo Pachyglossum Decne.
Rhyssostelma Decne.
Schistogyne Hook. & Arn.
Schizostemma Decne.
Widgrenia Malme...
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including Mitostigma Decne.
Pseudolachnostoma Morillo Raphistemma Wall.
Rhyssostelma Decne.
Rhytidostemma Morillo Rojasia Malme Schizoglossum E.Mey. Schizosteph****...
- Polystemma, Ptycanthera, Pycnoneurum,
Pycnostelma Bunge ex Decne.,
Rhyssostelma, Riocreuxia, Tacazzea, T****adia,
Trichosandra (Asclepiadaceae or Apocynaceae...
