Index / Search / Astragalus curvicarpus

§1 Plant

Astragalus curvicarpus (A. Heller) J.F. Macbr.

vernacular curvepod milkvetch — species · Fabaceae

USDA: ASCU4
GBIF: 5343038
Rank: species

curvepod milkvetch (Astragalus curvicarpus) — Platephotograph · Jim DreierCC BY source · iNaturalist ↗

§2Habit & range

Growth habit: Forb/herb
Duration: Perennial
Group: Dicot
Family: Fabaceae Lindl.
Genus: Astragalus

§2a

Native status, by region

L48 Lower 48 States Native

§2b

County-level range

· 40 counties across 4 states/territories

Legend Native · 40 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

Drought: High
Shade: High
Moisture use: Low
Fire: High
Salinity: None
Anaerobic: None
CaCO₃: Medium
Hedging: None

§3b

Climate & soil

Cold tolerance: -23 °F minimum
Frost-free days: 120 min.
Precipitation: 10–60 in/yr
pH range: 7–8
Root depth: 6 in min.
Fertility need: Low
Soil texture: coarse, medium

§3c

Form & growth

Growth form: Multiple Stem
Growth rate: Rapid
Lifespan: Short
Mature height: 0.4 ft
Foliage texture: Fine
Foliage colour: Gray-Green
Porosity (summer): Porous
Porosity (winter): Porous
Flower colour: Yellow
Fruit colour: Brown
Fire resistant: No
N fixation: Low
Toxicity: Severe

§3d

Reproduction

Bloom period: Late Summer
Seed abundance: High
Seed begins: Summer
Seed ends: Winter
Spread rate: Rapid
Stratify: No
Seeds / lb: 140,000
Propagation: seed

§3e

Use & availability

Commercial availability: No Known Source
Nursery stock: No
Browse palatability: Low
Graze palatability: Low
Palatable, human: No
Protein potential: Medium
Lumber: No
Christmas tree: No

§4Counties, by state

Recorded in 40 counties across 4 states/territories.

California view state ↗ 7 N ▾

Idaho view state ↗ 10 N ▾

Nevada view state ↗ 9 N ▾

Oregon view state ↗ 14 N ▾

§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/ASCU4 ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/5343038 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T20:46:58Z