Eucnide bartonioides

A large-flowered, stinging loasacid, barely entering the United States in the Big Bend region of Texas.

A flower (missing one petal) and leaves near Hot Springs in Big Bend National Park, 15 Apr 2007.

Plant habit near Hot Springs at Big Bend, 15 Apr 2007.

Flowers in bud, Big Bend National Park, 15 Apr 2007.

Pubescence of a petiole near Hot Springs at Big Bend National Park, 15 Apr 2007. The long, bulbous-based hairs sting.