Thymophylla tenuiloba var. tenuiloba

Bristleleaf pricklyleaf

Family: Asteraceae · Type: perennial · Not Native

Bristleleaf pricklyleaf is a naturalized annual found in southern California coastal areas at elevations below 50 meters, often growing in disturbed sites and escaped from cultivation. Flowering from April to June, this plant produces yellow flowers in small heads about 5 to 7 millimeters in diameter with 10 to 21 ray flowers. Growing with slender, leafy stems 10 to 30 centimeters tall, it emerges with 1 to several stems from its base. Its distinctive leaves are 1 to 3 centimeters long, pinnately divided into 7 to 15 narrow linear lobes, appearing delicate and finely cut. The fruit is 2 to 3.5 millimeters long, covered in fine hairs and topped with 3 to 5 small awn-tipped scales.

Habitat: Escaped from cultivation, coastal scrub, disturbed sites

Bloom period: Apr-Jun

Elevation: < 50 m

Bioregions: SCo

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