| Delwiensia | |
|---|---|
| Scientific classification   | |
| Kingdom: | Plantae | 
| Clade: | Tracheophytes | 
| Clade: | Angiosperms | 
| Clade: | Eudicots | 
| Clade: | Asterids | 
| Order: | Asterales | 
| Family: | Asteraceae | 
| Genus: | Delwiensia W.A.Weber & R.C.Wittmann | 
| Species: | D. pattersonii | 
| Binomial name | |
| Delwiensia pattersonii (A.Gray) W.A.Weber & R.C.Wittmann | |
| Synonyms [1] | |
| 
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Delwiensia is a monotypic genus of flowering plants belonging to the family Asteraceae. The only species is Delwiensia pattersonii, [2] also known as Patterson sagewort or Patterson's wormwood, and formerly Artemisia pattersonii. The species is found in Western Central USA, [2] growing in the Rocky Mountains of Wyoming, Colorado, and New Mexico. [3] [4]
Delwiensia pattersonii is a mildly aromatic perennial up to 20 cm (8 inches) tall. Leaves are gray-green with fine, silky hairs. Heads are usually borne one at a time but sometimes more, generally nodding (hanging), yellow tinged with red. The species grows in alpine meadows at high elevations over 3500 meters (11,500 feet). [5]