xx Strophanthus gratus (Wall. & Hook.) Baillon [ Roupellia grata Wall. & Hook.]
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Strophanthus gratus (Wall. & Hook.) Baillon
[Roupellia grata Wall. & Hook.] [Apocynaceae]
J. Paxton, J. Lindley, Paxton’s Fl. Gard., vol. 1 : p. 71, fig. 46 (1853)