Henckelia humboldtiana (Gardner) A.Weber & B.L.Burtt [ Didymocarpus humboldtianus Gardner]
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Henckelia humboldtiana (Gardner) A.Weber & B.L.Burtt [ Didymocarpus humboldtianus Gardner] [Gesneriaceae]
W. Curtis, Bot. Mag., vol. 79 [ser. 3, vol. 9]: t. 4757 (1853) [W.H. Fitch]