- 3 - 6' tall; perennial
- Blooms June to August
- Flowers single, 1/2 - 1"
- Stems covered in soft hairs
- Seeds with white silky tuft in long seedpod
- Leaves 1/2" wide, 2 - 4" long, opposite, lance-shaped with toothed edges; attached directly to stem
- Numerous native species have been found in CO wetlands