Helianthella californica

Helianthella californica is a species of flowering plant in the sunflower family known by the common name California helianthella. This wildflower is native to the mountains of California, northwestern Nevada, and southwestern Oregon.[2][3]

Helianthella californica
Scientific classification
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H. californica
Binomial name
Helianthella californica
Gray 1857
Synonyms[1]
  • Helianthella nevadensis Greene, syn of subsp. nevadensis

Helianthella californica is a taprooted perennial herb producing erect stems up to about 60 centimeters (2 feet) tall. The many lance-shaped leaves are up to 4 centimeters (1.6 inches) wide and up to 26 cm (11 inches) long, smooth or slightly toothed along the edges. The inflorescence holds one or more sunflower-like flower heads. Each head has a center of golden disc florets with purple or reddish parts, and a fringe of yellow ray florets one or two centimeters (0.4-0.8 inches) long.[4]

Subspecies[1][3]
  • Helianthella californica subsp. californica - Coast Ranges in area near San Francisco Bay plus a few populations in northern Sierra Nevada Foothills
  • Helianthella californica subsp. nevadensis (Greene) W.A.Weber - Sierra Nevada + Cascades in California, Nevada, + Oregon
  • Helianthella californica subsp. shastensis (W.A.Weber) W.A.Weber - southern Cascades plus Shasta-Trinity area
Leaves

References


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