Fabaceae

Summer milkvetch

Astragalus hyalinus M.E.Jones

Family: Fabaceae
Genus: Astragalus

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Summer milkvetch: Although very localized to very south central Montana in open dry settings, Astragalus hyalinus (with three leafleted leaves) occurs on a diversity of substrate — Photo: Matt Lavin, CC BY-SA 2.0, from Wikimedia Commons

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Common names

By language (1)

English: Summer milkvetch

Synonyms

Orophaca hyalina (M.E.Jones) Isely
Phaca argophylla Nutt. ex Torr. & A.Gray

Flowers

In flower: June to July (from 8 flowering iNaturalist observations worldwide)

Characteristics

Growth habit: Forb/herb, Subshrub
Lifespan: Perennial
In the US and Canada: Lower 48 states: native

Photos

Photo: Matt Lavin, CC BY-SA 2.0, from Wikimedia Commons
Photo: Matt Lavin, CC BY-SA 2.0, from Wikimedia Commons
Photo: Matt Lavin, CC BY-SA 2.0, from Wikimedia Commons
Photo: Matt Lavin, CC BY-SA 2.0, from Wikimedia Commons
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons

More in Astragalus

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.