This genus is distinguished by its coloured calyx and absence of petals, and staminal column divided into 5 branches. Cap-sule 4- or 5-celled, splitting through the cells. Seeds numerous. Named after Colonel Fremont, who first detected it in California.

1. F. Californica. - A deciduous shrub from 6 to 10 feet high. Leaves large, cordate, 5- to 7-lobed, clothed with rusty hairs beneath. Flowers rather large, bright yellow, solitary on short peduncles opposite the leaves. This beautiful shrub is still very rare in gardens.