Asclepias subverticillata

Thesaurus

Noun

1.

Asclepias subverticillata - milkweed of southwestern United States and Mexico; poisonous to livestockhorsetail milkweed, poison milkweedmilkweed, silkweed - any of numerous plants of the genus Asclepias having milky juice and pods that split open releasing seeds with downy tufts