Helianthella castanea
| Helianthella castanea | |
|---|---|
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| Scientific classification | |
| Kingdom: | Plantae
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| (unranked): | Angiosperms
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| (unranked): | |
| (unranked): | |
| Order: | |
| Family: | |
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| Genus: | |
| Species: | H. castanea
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| Binomial name | |
| Helianthella castanea 1893
| |
Helianthella castanea is a rare plant endemic to California, and is found only in the San Francisco Bay Area, mostly in the hills east of the bay, including in Mount Diablo State Park, Wildcat Canyon Regional Park, Briones Regional Park, Las Trampas Regional Wilderness, and surrounding areas. Its common names include Mount Diablo helianthella, Mount Diablo sunflower, and Diablo rockrose.[1]
Helianthella castanea is a herbaceous plant up to 45 cm (18 inches) tall. Leaves are up to 15 cm (6 inches) long. The plant usually produces one yellow flower head per stem. Each head contains both ray flowers and disc flowers.[2][3]
See also[]
- Endemic flora of the San Francisco Bay Area
- Flora of the California chaparral and woodlands
References[]
External links[]
- Calflora Database: Helianthella castanea (Mt. Diablo helianthella)
- Jepson Flora Project Helianthella castanea
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Categories:
- Helianthella
- Endemic flora of California
- Natural history of the California chaparral and woodlands
- Natural history of the California Coast Ranges
- Natural history of Contra Costa County, California
- Berkeley Hills
- Mount Diablo
- Plants described in 1893
- Taxa named by Edward Lee Greene
- Endemic flora of the San Francisco Bay Area
- Heliantheae stubs