- 1 - 4' tall
- Blooms late April to June
- Flowers 1/2" wide, in clusters at end of stems
- Young leaves heart-shaped; older leaves triangular and toothed; 1" long and 1 - 3" wide
- Multiple erect stems growing from base, sparsely hairy
- Taproot slender with "S" shape at base
- Allelopathic with a garlic-like smell
There are few occurrences of this species documented in Colorado. View the knownNorth American Distribution Map.
If you are aware of infestations that are not represented, please report your sighting. Registerfor an EDDMapS account, then select "Report Sightings". Please include photos with your submissions.