Holarrhena is a genus of plant in the family Apocynaceae first described as a genus in 1810. It is native to tropical and southern Africa as well as south, east, and southeast Asia. As of August 2013 the World Checklist of Selected Plant Families recognises 5 species:
SpeciesHolarrhena congolensis Stapf - Zaïre
Holarrhena curtisii King & Gamble - Indochina
Holarrhena floribunda (G.Don) T.Durand & Schinz - western + central Africa
Holarrhena mitis (Vahl) R.Br. ex Roem. & Schult. - Sri Lanka
Holarrhena ...
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