yucca of southern United States having a clump of basal grasslike leaves and a central stalk with a terminal raceme of small whitish flowers
例句
用作名词 (n.)
Any of various evergreen plants of the genus Yucca,native to the warmer regions of North America,having often tall stout stems and a terminal cluster of white flowers. 丝兰,一种丝兰属常绿植物,原产于北美的温暖地带,枝干长而粗壮,开有白花的顶生花簇。