Cardamine californica is an herbaceousperennial plant growing to about 1 foot tall. The flowers are borne on a raceme inflorescence, each flower about 1/2 inch in diameter with four white to pink petals. The flower closes its petals in late afternoon as the sun goes down and nods its pedicel before a rain, protecting the pollen.[1]
Hand pollination of two milkmaids populations in the San Francisco Presidio improved seed set from 8% to 85%, with seeds ripening in about 53 days.[1]
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