• (a.) Of, pertaining to, or resembling, plants of the Milkweed family.
As·cle`pi·a·da'ceous adjective [ See Asclepias .] (Botany) Of, pertaining to, or resembling, plants of the Milkweed family. 
[adj] - (botany) of or relating to plants of the milkweed family
adjective of or relating to plants of the milkweed family
belonging to the Asclepiadaceae, the milkweed family of plants. Cf. milkweed family.