Eremothera boothii subsp. condensata

Eremothera boothii subsp. condensata, native California herb

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Family: Onagraceae · Type: Herb · Native

Eremothera boothii subsp. condensata is a native California herb in the Onagraceae family, recognized by . Key features: glabrous habit, rosette, wide curved fruits.

Booth's evening-primrose is a California native annual found in the desert bioregion in sandy slopes, washes, and desert scrub at elevations of -70 to 1,200 meters. Flowering from February to May, this plant produces yellow-white flowers with inconspicuous bracts in an inflorescence that is minutely strigose or glandular-hairy. Growing 5 to 20 centimeters tall with a well-developed basal rosette, it has a stout and nearly glabrous stem. Its leaves are 25 to 100 millimeters long, generally lanceolate to oblanceolate, and range from nearly entire to minutely dentate. The fruit is curved outward and 2 to 3.8 millimeters wide.

Identification and appearance

Key characters: 5 sympatric species. Key features: glabrous habit, rosette, wide curved fruits

Habitat and range

Habitat: Sandy slopes, washes, desert scrub

Elevation: -70-1200 m

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

Outside California: to southern Utah, western Arizona, northwestern Mexico

Bloom period

Eremothera boothii subsp. condensata blooms Feb-May.

How to tell it apart

vs Chylismia: Eremothera has white/pink flowers opening at night; Chylismia has yellow day flowers.; vs Chorizanthe: Eremothera has regular 4-petaled flowers; Chorizanthe has tiny flowers in papery involucres (buckwheat family).; vs Oenothera: Eremothera has white/pink flowers; Oenothera typically has yellow flowers with 4-lobed stigma.; vs Camissonia: Eremothera has white/pink night flowers; Camissonia has yellow day flowers.; vs Gayophytum: Eremothera has larger white/pink flowers; Gayophytum has tiny thread-like stems and minute flowers.

Frequently asked questions

Is Eremothera boothii subsp. condensata native to California?

Yes. Eremothera boothii subsp. condensata is native to California (recorded as native).

When does Eremothera boothii subsp. condensata bloom?

Eremothera boothii subsp. condensata blooms Feb-May.

Where in California does Eremothera boothii subsp. condensata grow?

Eremothera boothii subsp. condensata occurs in San Bernardino, Inyo, Imperial, Riverside, San Diego, Kern, at elevations of -70-1200 m.

What plant family does Eremothera boothii subsp. condensata belong to?

Eremothera boothii subsp. condensata is in the Onagraceae family, genus Eremothera.

What habitat does Eremothera boothii subsp. condensata grow in?

Eremothera boothii subsp. condensata grows in Sandy slopes, washes, desert scrub.

Related species

Other California species in the same genus, family, or bioregion.

All Eremothera species · All Onagraceae

Sources: Jepson eFlora · Index of California Plant Names · CalPhotos

Last updated 2026-10-07

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