丝兰
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stemless plant with tufts of grasslike leaves and erect panicle of minute creamy white flowers; southwestern United States and Mexico
any of several evergreen plants of the genus Yucca having usually tall stout stems and a terminal cluster of white flowers; warmer regions of North America
tall yucca of the southwestern United States and Mexico having a woody stem and stiff swordlike pointed leaves and a large cluster of white flowers
yucca of west central United States having a clump of basal grasslike leaves and a central stalk with a terminal raceme of small whitish flowers
yucca of southern United States having a clump of basal grasslike leaves and a central stalk with a terminal raceme of small whitish flowers