Hesperevax

Dwarf cudweeds
Hesperevax sparsiflora
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Subfamily: Asteroideae
Tribe: Inuleae[1]
Genus: Hesperevax
Synonyms[2]

Evax sect. Hesperevax Gray

Hesperevax is a small genus of flowering plants in the Inuleae tribe of the daisy family.[3][4][5][6]

Hesperevax species are known generally as dwarf cudweeds. They are native to the west coast of North America, especially California. These are petite woolly annuals with discoid flower heads.[7]

Species

Species include:[1]

  1. Hesperevax acaulis - stemless dwarf-cudweed — California, Oregon
  2. Hesperevax caulescens - dwarf dwarf-cudweed, hogwallow starfish — endemic to California
  3. Hesperevax sparsiflora - erect dwarf-cudweed — California, Oregon

References

  1. 1 2 Flann, C (ed) 2009+ Global Compositae Checklist
  2. ↑ Tropicos, Evax sect. Hesperevax A. Gray
  3. ↑ 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
  4. ↑ Gray, Asa. 1868. Proceedings of the American Academy of Arts and Sciences 7(2): 356
  5. ↑ Tropicos, Hesperevax (A. Gray) A. Gray
  6. ↑ Morefield, J. D. (1992). Resurrection and revision of Hesperevax (Asteraceae:Inuleae). Systematic Botany 17:2 293-310.
  7. ↑ Jepson Manual Treatment


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