Haworthia retusa (L.) Duval [ Aloe retusa L.]
      
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6 495757 Haworthia retusa (L.) Duval [125 44647 Aloe retusa L.] Liliaceae
G.W. Knorr, Thes. Rei Herb., vol. 1 : t. 11 [A10], fig. 1 (1750-1772)