Rhabdadenia biflora (Jacq.) Muell. Arg. [ Echites biflorus Jacq.]
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Rhabdadenia biflora (Jacq.) Muell. Arg. [ Echites biflorus Jacq.] [Apocynaceae]
N.J. von Jacquin, Select. Stirp. Amer. Hist., ed. 1780-1781: p. 21, t. 28 (1780-1781) [N.J. Jacquin]