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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.