Hymenoxys lemmonii

Alkali hymenoxys, Alkali Hymenoxys

Family: Asteraceae · Type: perennial · Native

Conservation status: CNPS 2B.2

Alkali hymenoxys is a rare (CNPS 2B.2) California native perennial found in eastern Klamath Ranges and Great Basin in roadsides, meadows, and stream banks at elevations of 800 to 3,200 meters. Flowering from June to September, this plant produces yellow flowers in dense clusters of 10 to 85 heads with ray flowers 10 to 16 millimeters long. Growing 30 to 50 centimeters tall with stems that are purple-red toward the base and branching distally, it has a complex multi-branched caudex. Its leaves are 2 to 9 centimeters long, typically divided into 3 to 13 linear lobes with a terminal lobe 1.5 to 2.3 millimeters wide, appearing either entirely green or sparsely hairy. The fruit is 2.5 to 3.5 millimeters long with 5 to 6 small pappus scales.

Habitat: Roadsides, open areas, meadows, slopes, drainage areas, stream banks

Bloom period: Jun-Sep

Elevation: 800-3200 m

Bioregions: e KR, GB

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