Tabernaemontana pachysiphon Stapf [ Conopharyngia holstii (Schumann) Stapf]
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Tabernaemontana pachysiphon Stapf
[Conopharyngia holstii (Schumann) Stapf] [Apocynaceae]
H.G.A. Engler, O. Drude, Veg. Erde, vol. 9(2): : p. 314, fig. 281 (1908)