Astragalus nutans

Providence mountains milkvetch, Providence Mountains Milkvetch

Astragalus nutans (Providence mountains milkvetch), native California herb

(c) Steve Matson, some rights reserved (CC BY), uploaded by Steve Matson · licence

Family: Fabaceae · Type: Herb · Native

Conservation status: CNPS 4.3

Astragalus nutans (Providence mountains milkvetch) is a native California herb in the Fabaceae family, recognized by strongly recurved banner and triangular fruit beak.

Providence mountains milkvetch is a rare (CNPS 4.3) California native perennial found in southeastern Mojave Desert Mountains and Desert Southern California in sandy flats and washes of desert foothills at elevations of 450 to 2,000 meters. Flowering from March to June, this plant produces pink-purple flowers with paler wing tips, the banner recurving almost 90 degrees and measuring 7.8 to 10.4 millimeters long. Growing with prostrate to erect stems 6 to 15 centimeters tall and minutely strigose throughout, it develops a delicate herbage with subtle texture. Its compound leaves feature 7 to 13 leaflets, each 5 to 15 millimeters long, narrowly elliptic or obovate with acute or shallowly notched tips. The fruit is a distinctive spreading, bladdery pod 15 to 25 millimeters long, ovate in shape and sparsely hairy with a widely triangular compressed beak.

Identification and appearance

Key characters: 19 sympatric species; distinguished by strongly recurved banner and triangular fruit beak

Habitat and range

Habitat: Sandy flats, washes of desert foothills, with

Elevation: 450-2000 m

California counties: San Bernardino, Riverside, Inyo, Imperial

Bloom period

Astragalus nutans blooms Mar-Jun(Oct).

Conservation status

CNPS 4.3

How to tell it apart

vs Vicia: Astragalus has racemes of flowers; vetches (Vicia) have tendrils at leaf tips and climbing or sprawling habit.; vs Oxytropis: Astragalus keel tip is rounded to slightly pointed; Oxytropis keel has a pronounced pointed beak.; vs Cleomella: Astragalus has pea-shaped flowers; Cleomella has 4-petaled cruciform flowers with long stamens.; vs Lupinus: Astragalus has pinnate compound leaves; lupines have palmate leaves (leaflets radiating from one point).; vs Dalea: Astragalus has typical pea flowers; Dalea has tiny flowers with petals attached to the stamen tube.

Frequently asked questions

Is Astragalus nutans native to California?

Yes. Astragalus nutans is native to California (recorded as native).

When does Astragalus nutans bloom?

Astragalus nutans blooms Mar-Jun(Oct).

Where in California does Astragalus nutans grow?

Astragalus nutans occurs in San Bernardino, Riverside, Inyo, Imperial, at elevations of 450-2000 m.

What plant family does Astragalus nutans belong to?

Astragalus nutans is in the Fabaceae family, genus Astragalus.

Is Astragalus nutans rare or endangered?

Astragalus nutans carries California Rare Plant Rank 4.3, state rank S3.

Related species

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

All Astragalus species · All Fabaceae

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.