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]

References

  1. ^ The Plant List Artemisia pattersonii A.Gray
  2. ^ a b "Delwiensia W.A.Weber & R.C.Wittmann | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 24 September 2021.
  3. ^ Weber, William Alfred & Wittmann, Ronald C. 2009. Delwiensia, a new genus of Asteraceae. Phytologia 91(1): 92-94
  4. ^ Biota of North America Program 2014 county distribution map, Delwiensia pattersonii
  5. ^ Flora of North America, Patterson sagewort, Artemisia pattersonii A. Gray