Species Information

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

Ripley Milkvetch - Astragalus ripleyi

Ripley Milkvetch

Image courtesy of New Mexico Rare Plants

356202

Species Extent (New Mexico)

General Description

Perennial; stems 1-6 from a subterranean root-crown, stout, erect and stiffly ascending, 4-7 dm long, strigulose nearly throughout with fine, straight, appressed hairs; stipules 1-5 mm long; leaves pinnately compound, 4-9(11) cm long, commonly divaricate and incurved, shortly petioled or the uppermost subsessile; leaflets 11-21, glabrous on upper side, rather distant, opposite or scattered, linear or linear-elliptic, somewhat involute, (3)9-25(35) mm long, the terminal leaflet nearly always decurrent on the rachis; racemes loosely (5)15-45-flowered; flowers pea-like, early declined and secund; petals pale lemon-yellow, concolorous; banner recurved through approximately 35 degrees, oblanceolate or rhombic-oblanceolate, (13)14-17 mm long, 4.5-6.3 mm wide; wings 12-14 mm long, keel 10-11mm long; pod pendulous, stipitate, the slender, straight stipe 8-15 mm long, the body linear-oblong, lanceolate, or narrowly elliptic in profile, straight or a little arched downward, 2-3 cm long, 4-6 mm in diameter; seeds yellowish-brown, rugulose-punctate, dull, 3-3.5 mm long. Flowers late June to late July.

Status

Global Rank: G3

State Rank: S3

State Status:

Federal Status:

USFS Status: R3 SCC

BLM Status: BLM SENSITIVE

SWAP Status:

NMRP Strategy Status: Strategy Species

Observations in Natural Heritage New Mexico Database

Number of Subpopulations: 36

Number of Mapped Locations: 328

Number of Observations: 255

Observation date range: 05-25-1947 to 08-20-2020

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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