Wattakaka volubilis (L.f.) Stapf [ Hoya lacuna Buch.-Ham. ex Wight]
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Wattakaka volubilis test (L.f.) Stapf [Hoya lacuna test Buch.-Ham. ex Wight] [Asclepiadaceae]
V. Jacquemont, J. Decaisne,, Voy. Inde, vol. 4(3): : t. 114 (1844)