Eremothera boothii subsp. intermedia

Booth's hairy evening-primrose, Booth's Hairy Evening-Primrose

Family: Onagraceae · Type: annual · Native

Conservation status: CNPS 2B.3

Booth's hairy evening-primrose is a rare (CNPS 2B.3) California native annual found in the eastern Sierra Nevada and desert mountains in sandy sagebrush scrub at elevations of 1,500 to 2,150 meters. Flowering from May to July, this plant produces yellow flowers with distinctive dense, spreading hairs that are especially prominent in the flowering area. Growing with slender stems 5 to 20 centimeters tall, it forms delicate, compact plants with narrow leaves. Its leaves are generally less than 25 millimeters long, narrowly lanceolate or oblanceolate on the lower part of the plant, with edges that are nearly entire or minutely serrated. The fruit is small, typically 1 to 1.4 millimeters wide, and tends to curve outward or appear slightly wavy and twisted.

Habitat: Sandy soils, sagebrush scrub

Bloom period: May-Jul(Oct)

Elevation: 1500-2150 m

Bioregions: SNE, DMtns

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