Cardamine californica (Milkmaids) (also Dentaria californica) is a flowering plant in the family Brassicaceae, native to western North America from Washington to California and Baja California. It is common in a variety of habitats including shady slopes, open woodlands, chaparral and grasslands in the winter and early spring. In the San Francisco Bay Area, it is one of the first wildflowers to bloom, with blossoms from January to May.
Cardamine californica is a herbaceous perennial plant growing to about 1 foot tall. The flowers are produced on a spike, each flower about 1/2 inch in diameter with four white petals. The flower closes its petals in late afternoon as the sun goes down and nods its pedicel before a rain, protecting the pollen.
- Kazuki Ariyoshi, Emily Magnaghi, Mark Frey (Fall 2006). "Hand-Pollination of Cardamine californica Improves Seed Set". Native Plants Journal 7 (3): 248–252. doi:10.1353/npj.2007.0000. Retrieved 2013-02-19.
- "Wildflowers of Henry W. Coe State Park" brochure, Larry Ulrich, 2002
- Photo of Milkmaids in Henry Coe State Park
- Jepson Manual Treatment - Cardamine californica
- USDA Plants Profile; Cardamine californica
- Cardamine californica - Photo gallery
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