Blennosperma nanum

Common stickyseed

Family: Asteraceae · Type: annual · Native

Common stickyseed is a California native annual found in grasslands and open areas at low elevations. Flowering from February to May, this plant produces bright yellow flowers in small heads with rays 3 to 7 millimeters long, often with purple undersides. Growing with delicate stems 5 to 15 centimeters tall, it spreads in low, loose clusters across its habitat. Its basal leaves are distinctive, typically 5 to 15 centimeters long with 5 to 15 lobes, creating a delicate, finely divided appearance. The tiny fruits are 2.5 to 4.5 millimeters long, contributing to the plant's subtle, intricate nature.

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