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cereus n. 仙人掌的一种 仙人掌的一种 Cereus n 1: genus of much- branched treelike or shrubby cacti with pronounced ribs and rounded needlelike spines and nocturnal flowers usually white [ synonym: { Cereus}, { genus Cereus}] Cereus \ Ce" re* us\, n. [ L., a wax candle, fr. cera wax. So named from the resemblance of one species to the columnar shape of a wax candle.] ( Bot.) A genus of plants of the Cactus family. They are natives of America, from California to Chili. [ 1913 Webster] Note: Although several species flower in the night, the name { Night- blooming cereus} is specially applied to the { Cereus grandiflorus}, which is cultivated for its beautiful, shortlived flowers. The { Cereus giganteus}, whose columnar trunk is sometimes sixty feet in height, is a striking feature of the scenery of New Mexico, Texas, etc. [ 1913 Webster]
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