Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun milkweed

2 senses of milkweed

Sense 1
milkweed, silkweed -- (any of numerous plants of the genus Asclepias having milky juice and pods that split open releasing seeds with downy tufts)
       => herb, herbaceous plant -- (a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests)

Sense 2
milkweed, Sonchus oleraceus -- (annual Eurasian sow thistle with soft spiny leaves and rayed yellow flower heads)
       => sow thistle, milk thistle -- (any of several Old World coarse prickly-leaved shrubs and subshrubs having milky juice and yellow flowers; widely naturalized; often noxious weeds in cultivated soil)