Nyctocereus (night and cereus). Cactaceae. A slender cactus, at first erect, then clambering, with few branches; the st. has many low ribs with closely set areoles producing 10 or more acicular spines: fls. large, nocturnal, white; tube and ovary covered with small bracts, producing in their axils small clusters of spines: fr. red; seeds black.—Several species are known. They are among the several kinds of night-blooming cereus. See Succulents. | Nyctocereus (night and cereus). Cactaceae. A slender cactus, at first erect, then clambering, with few branches; the st. has many low ribs with closely set areoles producing 10 or more acicular spines: fls. large, nocturnal, white; tube and ovary covered with small bracts, producing in their axils small clusters of spines: fr. red; seeds black.—Several species are known. They are among the several kinds of night-blooming cereus. See Succulents. |