Hymenocallis rotata (KerGawl.)Herb. [ Ismene knightii Knowles & Westc.]
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Hymenocallis rotata (KerGawl.)Herb. [ Ismene knightii Knowles & Westc.] [Amaryllidaceae]
G.B. Knowles, Fl. Cab., vol. 2 : p. 51, t. 59 (1838)