(Science: botany) a genus of plants including the milkweed, swallowwort, and some other species having medicinal properties.
(Science: zoology) asclepias butterfly, a large, handsome, red and black butterfly (Danais Archippus), found in both hemispheres. It feeds on plants of the genus asclepias.
Origin: L, fr. Gr, named from Asclepios or Aesculapius.