单词 | sempervivum |
释义 | sempervivum /sem'peuhr vuy"veuhm/, n. any of various succulent plants belonging to the genus Sempervivum, of the stonecrop family, having leaves in dense basal rosettes and a compact, flat-topped cluster of flowers, and including the houseleek, S. tectorum, and other commonly cultivated species. [ < NL: genus name, LL sempervivum houseleek, equiv. to L semper always + vivum, neut. sing. of vivus alive, in reference to the plant's durable qualities] |
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