Hazardia (plant)

bristleweeds
Hazardia squarrosa
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Tribe: Astereae[1]
Genus: Hazardia
Greene 1887
Synonyms[2]

Haplopappus sect. Hazardia (Greene) H.M.Hall

Hazardia is a small genus of North American flowering plants in the daisy family. Plants in this genus may be called bristleweeds or goldenbushes.[3]

Hazardia is native to the western United States and northwestern Mexico, including offshore islands in the Pacific. The genus is especially common in California, and on the Baja California Peninsula in Mexico, with a few species extending into Oregon and Nevada.[3][4] They are short, hardy perennials or small leafy shrubs. Some species have sharply toothed leaves. Generally they bear yellow flowers, with some having ray florets and appearing somewhat daisylike while others have only disc florets.[5]

The genus was named after amateur botanist Barclay Hazard of Santa Barbara, 1852–1938.[3]

Species[1][6][7]
  1. Hazardia berberidis - Baja California, Baja California Sur
  2. Hazardia brickellioides - brickellbush goldenweed - California, Nevada
  3. Hazardia cana - island hazardia, San Clemente Island hazardia - San Clemente Island, Guadalupe Island
  4. Hazardia detonsa - island bristleweed - Santa Cruz Island
  5. Hazardia ferrisiae - Baja California
  6. Hazardia orcuttii - Baja California, San Diego County
  7. Hazardia rosarica - Baja California
  8. Hazardia squarrosa - sawtooth goldenbush - southern California
  9. Hazardia stenolepis - serpentine bristleweed - California
  10. Hazardia vernicosa - Baja California
  11. Hazardia whitneyi - Whitney's bristleweed - California, Oregon

References

  1. 1 2 Flann, C (ed) 2009+ Global Compositae Checklist
  2. ↑ Tropicos, Hazardia Greene
  3. 1 2 3 Greene, Edward Lee. 1887. Pittonia 1(2): 28–30 entirely in English
  4. ↑ Calflora taxon report, University of California, Hazardia
  5. ↑ Flora of North America, Bristleweed Hazardia Greene, 1887.
  6. ↑ Biota of North America Program 2013 county distribution maps
  7. ↑ The Plant List, Hazardia


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