silkweed

noun

A milkweed.

noun

A common name for the Confervaceæ, or fresh-water algæ that consist of long, soft filaments resembling silk. See Confervaceæ

noun

Same as milkweed, 1.

noun

Any plant of the genera Asclepias and Acerates whose seed vessels contain a long, silky down; milkweed.

noun

Any plant of the genera Asclepias and Acerates whose seed vessels contain a long, silky down; milkweed.

noun

any of numerous plants of the genus Asclepias having milky juice and pods that split open releasing seeds with downy tufts