as·cle·pi·as /əˈsklɪpɪəs, æ-/ 名詞
As·cle·pi·as, n. Bot. A genus of plants including the milkweed, swallowwort, and some other species having medicinal properties.
Asclepias butterfly Zool., a large, handsome, red and black butterfly (Danais Archippus), found in both hemispheres. It feeds on plants of the genus Asclepias.
n : genus of chiefly North American perennial herbs: silkweed;
milkweed [syn: genus Asclepias]