Stenotus acaulis
| Stenotus acaulis | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Stenotus |
| Species: | S. acaulis
|
| Binomial name | |
| Stenotus acaulis | |
Stenotus acaulis is a species of flowering plant in the family Asteraceae known by the common name stemless mock goldenweed.[1]
It is native to the western United States, where it grows in rocky soils in sagebrush plateau and mountain habitats.
Description
[edit]Stenotus acaulis is a perennial herb usually forming a compact tuft or mat of hairless to hairy and sometimes glandular herbage. The linear to widely lance-shaped leaves are up to 5 centimetres (2 in) long with three veins.[2]
The inflorescence is a solitary 4-cm flower head[2] or small cluster of a few heads. The flower head contains yellow disc florets and 6–15 yellow ray florets each about 1.5 cm long; the bracts are pointed.[2]
Similar species
[edit]S. armerioides is similar but the tips of its bracts are round.[2]
References
[edit]- ^ NRCS. "Stenotus acaulis". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 2 December 2015.
- ^ a b c d Spellenberg, Richard (2001) [1979]. National Audubon Society Field Guide to North American Wildflowers: Western Region (rev ed.). Knopf. p. 399. ISBN 978-0-375-40233-3.
External links
[edit]- Database: Stenotus acaulis (Stemless mock goldenweed)
- Jepson Manual eFlora (TJM2) treatment of Stenotus acaulis
- USDA Plants Profile for Stenotus acaulis (stemless mock goldenweed)
- Flora of North America: Stenotus acaulis
- UC CalPhotos gallery of Stenotus acaulis
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