Any of several plants, of the genus Asclepias, that have a milky sap and have pods that split to release seeds with silky tufts
a common North American plant that produces a bitter white substance when its stem is broken
any of numerous plants of the genus Asclepias having milky juice and pods that split open releasing seeds with downy tufts
The name is also applied to several other plants with a milky juice, as to several kinds of spurge
annual Eurasian sow thistle with soft spiny leaves and rayed yellow flower heads any of numerous plants of the genus Asclepias having milky juice and pods that split open releasing seeds with downy tufts