amarilidáceo , a . ( Of Amaryllis , a genus of plants). 1. adj. Bot. Said plants flowering monocot, perennial, generally bulbous, linear leaves, flowers, ordinarily in tops, umbels or racemes, solitary ever, fruit commonly capsule with albumen fleshy seeds; e.g., narcissus, the nardo and sisal. U t. c. s. f. 2. f. pl. Bot. These plant family. O RTOGR. ESCR. with may. initial.