| Erigeron watsonii | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Erigeron |
| Species: | E. watsonii |
| Binomial name | |
| Erigeron watsonii (A.Gray) Cronquist | |
| Synonyms | |
| |
Erigeron watsonii is a rare North American species of flowering plant in the family Asteraceae known by the common name Watson's fleabane. It in the mountainous areas of the western United States, in the states of Idaho, Nevada, and Utah.
Erigeron watsonii grows on rocky slopes in open areas featuring sagebrush or pine woodlands. It is a small perennial herb rarely more than 10 centimeters (4 inches) tall, producing a thin taproot and a branching woody caudex. It generally produces only one flower head per stem, but sometimes two. Each head contains 13–25 white or pink ray florets, surrounding numerous yellow disc florets.
References
- Tropicos, Erigeron watsonii (A. Gray) Cronquist
- Tropicos, Aster watsonii A. Gray
- ^ Flora of North America, Erigeron watsonii (A. Gray) Cronquist, 1947. Watson’s fleabane
- Biota of North America Program 2014 county distribution map
| Taxon identifiers | |
|---|---|
| Erigeron watsonii |
|
| Aster watsonii | |
This Erigeron article is a stub. You can help Misplaced Pages by expanding it. |