Hibiscus coulteri Rock Hibiscus
PERENNIAL. Usually only noticed when blooming. Large bowl-shaped
creamy yellow flowers have a reddish spot at the base of each petal.
Leaves sharply toothed, dark green, shining. Blooms in March-April
and again in July-August after summer rain. In the Empires, uncommon
among boulders and on gravel ridges.
FAMILY: Malvaceae (Mallow Family)