Sprekelia formosissima (L.) Herb.
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Sprekelia formosissima (L.) Herb. [ Amaryllis formosissima L.] [Amaryllidaceae]
F.E. Guérin-Méneville, Dict. Pittores. Hist. Nat., vol. 1 : t. 13, fig. 4 (1833-1834)