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lesser rushy milkvetch
Scientific Name: Astragalus convallarius var. convallarius
Family: Fabaceae
Category: Dicot
Growth: Forb/herb
Duration: Perennial
Other Names:
Lesser Rushy Milkvetch (Astragalus convallarius)
The Lesser Rushy Milkvetch, scientifically known as Astragalus convallarius, is a perennial forb (a non-woody plant that is not a grass).
Taxonomy and Nomenclature
- Scientific Name: Astragalus convallarius Greene
- Common Names: Lesser Rushy Milkvetch, Timber Milkvetch, Whiskbroom
- Family: Fabaceae (Pea Family)
- Kingdom: Plantae
- Rank: Species; also Variety (Astragalus convallarius var. convallarius Greene, Astragalus convallarius var. margaretiae Barneby, Astragalus convallarius var . finitimus, Astragalus convallarius var. submutica)
- Synonym: A. junciformis (for Astragalus convallarius var. convallarius)
Distribution and Habitat
- The Lesser Rushy Milkvetch is found in Montana, where it is classified as imperiled.
- It is also found in western Colorado.
- Habitat maps of Montana are available showing where this species can be expected.
Morphological Characteristics
- Life Form: Perennial forb (herb)
- Leaf: Pinnate, leaflets few and very narrow with rolled edges.
- Flower Color: Not explicitly stated.
Interactions with Other Organisms
- Observed growing directly with Calochortus ciscoensis and Cymopterus duchesnensis.
Related Species
- Astragalus canadensis (Canadian milkvetch)
- Astragalus collinus (rattle milkvetch)
- Astragalus crassicarpus (groundplum milkvetch)
- Astragalus drummondii
- Astragalus cicer (chickpea milkvetch)
- Astragalus agrestis (field milkvetch, cock's-head, purple milkvetch, meadow milkvetch)
- Astragalus geyeri (Geyer's milkvetch)
- Astragalus grayi
- Astragalus hallii (Hall milkvetch)
- Astragalus humistratus
- Astragalus purshii
- Astragalus accidens (Rogue River milkvetch)
- Astragalus cottonii (Cotton's)
- Astragalus bisulcatus var. haydenianus (Hayden's milkvetch)
- Astragalus debequaeus (Debeque milkvetch)
- Astragalus alpinus (Alpine Milk-vetch)
- Astragalus diversifolius (Meadow milkvetch)
- Astragalus chamaeleuce (cicada milkvetch)
- Astragalus danicus (Purple Milk-vetch)
- Astragalus argophyllus var. martinii (Silverleaf Milkvetch)
Further Information
- Discover Life provides information about the biology, natural history, ecology, identification, and distribution of Astragalus convallarius.
- WildflowersWest provides further information about the species.
- Plant database entries with images are available.
- Real gardeners provide care instructions.