species 117 observations
Sharsmith's Onion
Allium sharsmithiae
Field notes
Allium sharsmithiae, called the Mount Hamilton onion or Helen Sharsmith's onion, is a rare species of wild onion endemic to a small region in California. It is found on serpentine soils in the vicinity of Mount Hamilton, in the Diablo Range south of San Francisco Bay in Santa Clara, Alameda and Stanislaus Counties.
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42
native animals
supported in the US
supported in the US
Range
Greener is more native, amber more introduced; paler is less certain. How this was decided
Key traits
- Layer
- Herbaceous plants
- Plant type
- Perennial Wildflower
From USDA PLANTS.