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Species Information

Kingdom: Plantae
  Phylum: Anthophyta
    Class: Dicotyledoneae
      Order: Fabales
        Family: Fabaceae
          Genus: Astragalus
            Species: knightii

Knight Milkvetch - Astragalus knightii

Knight Milkvetch

Image courtesy of New Mexico Rare Plants

291776

Species Extent (New Mexico)

General Description

Tufted perennial herb; stems numerous, ascending, 1-5 cm long, arising from a taproot; herbage gray-strigose with dolabriform hairs; stipules of the lower nodes connate; leaves pinnately compound, 2.5-8.5 cm long; stalks long, wiry, and sometimes persistent on the caudex; leaflets 9-15, narrowly elliptic or ovate-elliptic, 2-8 mm long; calyx 3-4 mm long, bell-shaped; petals whitish, lilac-tinged along the margins, lower petal purple tipped, banner bent upward 45 degrees, 5-6 mm long; pods pendulous, narrowly obovoid-ellipsoid, turgid or almost bladdery, 8-14 mm long, 4-6 mm wide, red spotted. Flowers May to early June.

Status

Global Rank: G2

State Rank: S2

State Status:

Federal Status:

USFS Status:

BLM Status: BLM SENSITIVE

SWAP Status:

NMRP Strategy Status: Strategy Species

Observations in Natural Heritage New Mexico Database

Number of Subpopulations: 6

Number of Mapped Locations: 15

Number of Observations: 25

Observation date range: 05-27-1975 to 05-25-2016

External Links

View More Information about this species at:
  NatureServe Explorer
  New Mexico Rare Plants Website
  Environmental Conservation Online System (ECOS)

Species Related Publications

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