- 1 - 3' tall
- Blooms June to October
- Flowers white with four notched petals, clustered at stemtips
- Leaves oval- to lance-shaped, alternate; stem leaves attached and point upward
- Leaves, stems, sepals, and seed pods have tiny star-shaped hairs
- Reproduces only by seed
- Seeds can remain dormant and viable for several years in persistent seed bank
- Toxic to horses if forage is greater than 30% contaminated
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.