Calycoseris parryi

Yellow tack-stem

Family: Asteraceae · Type: annual · Native

Yellow tack-stem is a California native annual found in the Tehachapi Mountains, eastern South Coast, San Gabriel Mountains, eastern San Bernardino Mountains, Peninsular Ranges, Southeastern Sierra Nevada, and Deserts in sandy to gravelly washes and slopes at elevations of 200 to 1,800 meters. Flowering from April to May, this plant produces yellow flowers with ligules 1.5 to 2.5 centimeters long, creating delicate daisy-like blooms. Growing with slender stems to approximately 30 centimeters tall, it develops a distinctive branching habit. Its basal leaves range from 5 to 12 centimeters long, providing a base of green foliage for the bright yellow flower heads. The fruits are light brown or gray with relatively smooth ribs, topped by a pappus 6 to 8 millimeters long.

Habitat: Sandy to gravelly soils, washes, slopes

Bloom period: Apr-May

Elevation: 200-1800 m

Bioregions: Teh, e SCo, SnGb, e SnBr, PR, SNE, D

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