Crocanthemum aldersonii

Alderson's rush-rose, Alderson's Rush-Rose

Family: Cistaceae · Type: perennial · Native

Alderson's rush-rose is a California native perennial found in the southern California coastal and Peninsular Ranges in chaparral slopes and canyons at elevations of 100 to 1,200 meters. Flowering from March to June, this plant produces yellow flowers with delicate obovate petals 8 to 12 millimeters long. Growing with slender stems 30 to 65 centimeters tall, it forms an open, graceful habit with multiple branching stems. Its leaves are narrow and small, with blades 10 to 21 millimeters long and less than 2 millimeters wide, attached to very short petioles. The plant produces distinctive fruits approximately 3.5 to 4 millimeters long, containing small seeds 7 to 12 millimeters in size.

Habitat: Slopes, canyons in chaparral

Bloom period: Mar-Jun

Elevation: 100-1200 m

Bioregions: SCo, PR

California counties: San Bernardino, San Diego, Riverside, Orange

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Jepson eFlora, Cal-IPC, and more.