Hesperevax
| Hesperevax | |
|---|---|
| |
| Hesperevax sparsiflora | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Subfamily: | Asteroideae |
| Tribe: | Gnaphalieae |
| Genus: | Hesperevax Gray |
| Synonyms[1] | |
| |
Hesperevax is a small genus of flowering plants in the tribe Gnaphalieae of the family Asteraceae.[2][3][4][5]
Hesperevax species are generally known as dwarf cudweeds. They are native to the west coast of North America, especially California. These are petite woolly annuals with discoid flower heads.[6]
Species
[edit]- Hesperevax acaulis - stemless dwarf-cudweed — California, Oregon
- Hesperevax caulescens - dwarf dwarf-cudweed, hogwallow starfish — endemic to California
- Hesperevax sparsiflora - erect dwarf-cudweed — California, Oregon
References
[edit]- ^ Tropicos, Evax sect. Hesperevax A. Gray
- ^ Gray, Asa. 1856. Reports of explorations and surveys: to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean, made under the direction of the Secretary of War 4(5): 101 as Evax sect. Hesperevax A. Gray
- ^ Gray, Asa. 1868. Proceedings of the American Academy of Arts and Sciences 7(2): 356
- ^ Tropicos, Hesperevax (A. Gray) A. Gray
- ^ Morefield, J. D. (1992). Resurrection and revision of Hesperevax (Asteraceae:Inuleae). Systematic Botany 17:2 293-310.
- ^ Jepson Manual Treatment
- ^ "Flann, C (ed) 2009+ Global Compositae Checklist". Archived from the original on 2014-12-05. Retrieved 2014-12-05.
External links
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