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Oncostemma is a species of plants in the Apocynaceae first described as a genus in 1893.[1][4] It contains only one known species, Oncostemma cuspidatum, native to the Island of São Tomé off the coast of central Africa.[1]

Oncostemma
Scientific classification
Kingdom:
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Genus:
Oncostemma

Binomial name
Oncostemma cuspidatum
Synonyms[1][2][3]

Tylophora oblonga N.E.Br.

ReferencesEdit

  1. ^ a b c Tropicos, genus Oncostemma
  2. ^ Omlor, R. & U. Meve. 1999. (1427) Proposal to conserve the name Tylophora oblonga against Oncostemma cuspidatum (Asclepiadaceae). Taxon 48(3): 597–598.
  3. ^ Brummitt, R. K. 2001. Report of the Committee for Spermatophyta: 51. Taxon 50(2): 559–568.
  4. ^ Schumann, Karl Moritz. 1893. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 17: 148 descriptions in Latin, commentary in German