Fabaceae
Halfmoon milkvetch
Astragalus allochrous
- Family
- Fabaceae
- Genus
- Astragalus
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Common names
By language (3)
- Chinese
- 半月黃芪, 半月黄芪
- English
- Halfmoon milkvetch
- nv
- Tááʼyiilchóshii
Synonyms
- Astragalus allochrous var. allochrous
- Phaca allochroa (A.Gray) Rydb.
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Annual, Biennial, Perennial
- In the US and Canada
- Lower 48 states: native
Photos

Photo: Patrick Alexander from Las Cruces, NM, CC0, from Wikimedia Commons 
Photo: Patrick Alexander from Las Cruces, NM, CC0, from Wikimedia Commons 
Photo: Patrick Alexander from Las Cruces, NM, CC0, from Wikimedia Commons 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons
More in Astragalus
- Licorice milkvetchAstragalus glycyphyllosFabaceae
- Chickpea milkvetchAstragalus cicerFabaceae
- Astragalus danicusFabaceae
- Arenarious milk-vetchAstragalus arenariusFabaceae
- Alpine milkvetchAstragalus alpinusFabaceae
- Pallid milk vetchAstragalus frigidusFabaceae
- Astragalus boeticusFabaceae
- Mountain lentilAstragalus penduliflorusFabaceae
- Astragalus austriacusFabaceae
- Astragalus onobrychisFabaceae
- Indian milkvetchAstragalus australisFabaceae
- Astragalus alopecurusFabaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.