• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Seed Study - Polygonum convolvulus

Convolvulus arvensis - Field Bindweed - awaiting photo

Polygonum convolvulus - Black Bindweed - awaiting photo

NPS Photo

Species: Polygonum convolvulus
Common name: black bindweed

Seedling Identification: Cotyledons are dull green and strap-like. First true leaves are hastate, often have a reddish tinge at the base of the leaf, and the side margins are often rolled under.

Thanks to Rick Shory, NREL-Colorado State University, for identification and description.

 

Did You Know?

boxwork

Wind Cave is one of the longest caves in the world and has an amazing amount of a rare cave formation called boxwork. More...