Cymopterus gilmanii

Gilman's cymopterus

Cymopterus gilmanii (Gilman's cymopterus), native California herb

(c) Stan Shebs, some rights reserved (CC BY-SA) · licence

Family: Apiaceae · Type: Herb · Native

Conservation status: CNPS 2B.3

Cymopterus gilmanii (Gilman's cymopterus) is a native California herb in the Apiaceae family, recognized by . Distinguished by habitat and unique stem/leaf morphology.

Gilman's cymopterus is a rare (CNPS 2B.3) California native perennial found in the northeastern Mojave Desert Mountains on limestone and gypsum slopes at elevations of 900 to 2,000 meters. Flowering from April to May, this plant produces delicate purple flowers in compound umbels with approximately 8 rays. Growing with smooth, bluish-green stems 12 to 23 centimeters tall, it develops a fibrous base. Its distinctive leaves have round, kidney-shaped blades divided into three deeply lobed leaflets, each leaflet with toothed margins ending in small spines. The fruit is widely ovate, with unequal ribs and wing-like margins broader than the central body.

Identification and appearance

Key characters: Geographically isolated. Distinguished by habitat and unique stem/leaf morphology.

Habitat and range

Habitat: Limestone, gypsum slopes

Elevation: 900-2000 m

California counties: San Bernardino, Inyo

Outside California: Nevada

Bloom period

Cymopterus gilmanii blooms Apr-May.

Conservation status

CNPS 2B.3

How to tell it apart

vs Lomatium: Cymopterus is stemless and grows flat to ground; Lomatium has an upright stem.; vs Sanicula: Cymopterus has open umbrella clusters and blue-green leaves; Sanicula has dense ball-like heads and green leaves.; vs Vesper: Cymopterus is a low carrot family plant with umbrella clusters; Vesper is unrelated (evening primrose family).; vs Tauschia: Cymopterus is stemless spreading flat; Tauschia has an upright stem.; vs Angelica: Cymopterus is low and stemless; Angelica is tall and erect with a distinct main stem.

Frequently asked questions

Is Cymopterus gilmanii native to California?

Yes. Cymopterus gilmanii is native to California (recorded as native).

When does Cymopterus gilmanii bloom?

Cymopterus gilmanii blooms Apr-May.

Where in California does Cymopterus gilmanii grow?

Cymopterus gilmanii occurs in San Bernardino, Inyo, at elevations of 900-2000 m.

What plant family does Cymopterus gilmanii belong to?

Cymopterus gilmanii is in the Apiaceae family, genus Cymopterus.

Is Cymopterus gilmanii rare or endangered?

Cymopterus gilmanii carries California Rare Plant Rank 2B.3, state rank S2.

Related species

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

All Cymopterus species · All Apiaceae

Sources: Jepson eFlora · CNPS Rare Plant Inventory · Index of California Plant Names · CalPhotos · CDFW CNDDB

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.