• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Wildflowers - Wavyleaf Thistle

Wavyleaf Thistle, Cirsium undulatum
Wavyleaf Thistle - Cirsium undulatum
NPS Photo by Jim Pisarowicz
The Wavyleaf Thistle is a native thistle. It is a biennial and prefers well-drained locations.

Did You Know?

Stemless Hymenoxys

The scientific name for the Stemless Hymenoxys is Hymemoxys acaulis. Acaulis means "stemless" and referes to the leafless stalks which bear the flower heads. More...