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Astragalus casei

Wiry, branching perennial herb in the pea family native to the Mojave Desert and sky island woodlands of eastern California and western Nevada, with stems up to 40 cm long, leaves up to 10 cm long with narrow leaflets, an inflorescence of up to 25 pink, lilac, or white flowers that bloom April–June, and hanging 2–5 cm legume pods; toxic—do not eat any part.

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Common Names

Case's Milkvetch

Summary

Native to the Mojave Desert and sky island woodlands of eastern California and western Nevada, this wiry, branching perennial forms an open clump with jagged stems up to 40 cm tall. Leaves reach about 10 cm with thin, narrow leaflets; an inflorescence carries up to 25 flowers in pink, lilac, or white, each 1–2 cm long. The fruit is a hanging legume pod 2–5 cm long, narrow, slightly hairy, and beaked; pods are pulpy when new and dry to a tough texture.

Habitat is dry desert or shrubland; cultivation and landscape use include features such as pink, lilac, or white flowers and dangling pods, and the plant provides wildlife habitat by supporting caterpillars and butterflies.

Lifecycle

Perennial

Height

4-16 inches

Spread

16 inches

Bloom Color

Pink, lilac, or white

Bloom Time

Spring

Growth Rate

Not specified

Seasons of Interest

Spring and Summer

Attracts Wildlife

Attracts butterflies

Taxonomy

Taxonomic Rank
Species
Author
A.Gray
Publication
Bot. California 1: 154 (1876)

Superior Taxa

Kingdom
Plantae
Subkingdom
Pteridobiotina
Phylum
Angiosperms
Order
Fabales
Family
Fabaceae
Subfamily
Papilionoideae
Genus
Astragalus

Synonyms

Tragacantha casei Xylophacos casei

References

Astragalus casei. en.wikipedia.org.
Case's milkvetch - Encyclopedia of Life. eol.org.
Astragalus casei | International Plant Names Index. ipni.org.
Taxonomy browser (Astragalus casei). ncbi.nlm.nih.gov.
USDA Plants Database. plants.sc.egov.usda.gov.
Astragalus casei A.Gray | Plants of the World Onli…. powo.science.kew.org.
Astragalus casei. rareplants.cnps.org.
Astragalus casei. sv.wikipedia.org.
WFO Plant List | World Flora Online. wfoplantlist.org.
Astragalus casei Calflora. calflora.org.
Case's Milkvetch. calscape.org.
Astragalus casei A.Gray. gbif.org.
World Flora Online. worldfloraonline.org. June 2024.