Phacelia pachyphylla

Blacktack phacelia

Family: Hydrophyllaceae · Type: annual · Native

Blacktack phacelia is a California native annual found in the Desert bioregion in creosote-bush scrub and alkaline flats at elevations below 1,300 meters. Flowering from April to May, this plant produces violet to purple flowers 5 to 7 millimeters long with a funnel- to bell-shaped structure. Growing 4 to 17 centimeters tall with erect stems that are short-stiff-hairy and aromatic, with dark glandular surfaces. Its leaves are mostly basal, approximately 20 to 50 millimeters long, generally round and either entire or slightly crenate. The fruit is nearly spherical, 5 to 7 millimeters long, and covered in short hairs.

Habitat: Flats, +- alkaline soils, creosote-bush scrub

Bloom period: Apr-May

Elevation: < 1300 m

Bioregions: D

California counties: San Bernardino, Kern, Imperial, Inyo, Riverside

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