- 6 - 18” tall
- Blooms May to August
- The inflorescence is an open panicle, pyramidal in shape, 1 - 3” long, light yellow in color
- Leaf color: bright green (early spring); nodes reddish- to purplish-black (late spring); silvery-green before senescence
- Leaves mostly on the lower half of stem with open leaf sheaths and glabrous, membranous ligules
- The stem is erect, appears smooth, tiny hairs noticeable when magnified
There are few occurrences of this species documented in Colorado. View the known North American Distribution Map.
If you are aware of infestations that are not represented, please report your sighting. Register for an EDDMapS account, then select "Report Sightings". Please include photos with your submissions.