swamp milkweed

noun

1. a coarse milkweed, Asclepias incarnata, growing in swampy places from eastern North America to Colorado, having ball-like clusters of rose-purple flowers.

Word History and Origins

Origin of swamp milkweed¹

An Americanism dating back to 1855–60

Example Sentences

Asclepias incarnata (swamp milkweed), Umbazookskus River and after; redder than ours, and a different variety from our var.

From Project Gutenberg