soap-weed - tall arborescent yucca of southwestern United Statessoap tree, soapweed, Yucca elatayucca - 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
soap-weed
noun
Synonyms for soap-weed
noun tall arborescent yucca of southwestern United States