Phacelia malvifolia
Cham.
Stinging phacelia
Phacelia malvifolia is an annual herb that is native to California, and also found elsewhere in western North America.
New name: Phacelia malvifolia var. malvifolia
Bloom Period
The blue points on the map indicate observations in Calflora.
Click on the map to view observations within a specific county.
Click on the map to view observations within a specific county.
Jepson eFlora section:
eudicot
USDA PLANTS group:
Dicot
Severe skin irritation from touching the leaf or stem of this plant.
Northern Coastal Scrub, Closed-cone Pine Forest, Redwood Forest, Mixed Evergreen Forest
Ensikat et al.: Distribution, Ecology, Chemistry and Toxicology of Plant Stinging Hairs: Closely allied Hydrophyllaceae have several representatives with hard, hollow, mineralized trichomes in the genus Phacelia (e.g., Phacelia malvifolia), but these appear to be just stiff spiny hairs without the ability to inject caustic liquids.
