Clarkia heterandra
 Clarkia heterandra is a species of flowering plant in the evening primrose family known by the common name mountain clarkia. It is endemic to California where it is from the forests and woodlands of several of eastern and western mountain ranges. It is an annual herb producing an erect glandular stem to around half a meter in maximum height. The lance-shaped to oval leaves are up to 8 centimeters long and are borne on petioles of up to 2 centimeters.