Chylismia cardiophylla

Heart leaved primrose

Family: Onagraceae · Type: perennial · Native

Heart leaved primrose is a California native perennial found in arid regions with open, rocky habitats at low to moderate elevations. Flowering from late spring to early summer, this plant produces delicate yellow or cream-colored flowers that open at dusk, with petals 3 to 12 millimeters long. Growing with spreading stems less than 100 centimeters tall, it forms an upright habit with sparse glandular or non-glandular hairs. Its leaves are distinctive, with heart-shaped blades up to 55 millimeters long, featuring irregular tooth-edged margins and petioles less than 75 millimeters. The plant produces elongated cylindrical fruits 20 to 55 millimeters long that ascend from slender pedicels.

California counties: Inyo, Imperial, San Diego, San Bernardino, Riverside

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