swamp milkweed
noun
a coarse milkweed, Asclepias incarnata, growing in swampy places from eastern North America to Colorado, having ball-like clusters of rose-purple flowers.
Origin of swamp milkweed
An Americanism dating back to 1855–60
Words nearby swamp milkweed
swamp cypress,
swamp fever,
swamp locust,
swamp mallow,
swamp maple,
swamp milkweed,
swamp pink,
swamp rabbit,
swamp rose,
swamp sparrow,
swamp white oak