Acmispon heermannii

Acmispon heermannii (formerly Lotus heermannii) is a species of legume (Fabaceae) known by the common names Heermann's bird's-foot trefoil and Heermann's lotus. It is native to the coastal plains, canyons, and mountains of California and Baja California, where it is known from several types of oceanside and inland habitat. It is a mat-forming perennial herb spreading straight stems along the ground. It is lined with leaves made up of several hairy oval leaflets. The inflorescence is a cluster of 3 to 8 flowers each up to about a centimeter long. The petals are yellow, often with dark lobes. The fruit is a curved, beaked legume pod.