Species Information

Kingdom: Plantae
  Phylum: Anthophyta
    Class: Dicotyledoneae
      Order: Capparales
        Family: Brassicaceae
          Genus: Draba
            Species: standleyi

Standley's Whitlow-Grass - Draba standleyi

Standley's Whitlow-Grass

Image courtesy of New Mexico Rare Plants

291797

Species Extent (New Mexico)

General Description

Tufted perennial; caudex simple or closely branched, thick with marcescent (withered but persistent) leaf bases; stems few, 1-3 dm long, very slender, erect to partially decumbent, simple or few-branched, sparsely pubescent below with simple or forked trichomes, glabrous above or glabrous throughout; basal leaves narrowly oblanceolate, long-petioled, entire or remotely denticulate, pubescent to merely ciliate with stiff appressed hairs or glabrous, 1.5-8 cm long, stem leaves 1-8, small, remote, sessile but not auriculate, few-toothed or entire; inflorescences much elongated, 5- to 20-flowered; petals 4, yellow; fruiting pedicels erect to divaricately ascending, 8-13 mm long; siliques linear-elliptic to oblong, glabrous or nearly so, flat or contorted, 8-12 mm long; styles 1-2 mm long. Flowers June to August.

Status

Global Rank: G2

State Rank: S2

Rank Metadata
State Rank: S2 Rank Changed: 02/05/1998
Rank Reviewed: 02/05/1998
Reason: N/A
 
Ecological Factors
Specificity: N/A Range Extent: N/A
Occurences: N/A Population Size: N/A
Area of Occupancy: N/A Threat Summary: N/A

State Status:

Federal Status:

USFS Status:

BLM Status:

SWAP Status:

NMRP Strategy Status: Strategy Species

Observations in Natural Heritage New Mexico Database

Number of Subpopulations: 5

Number of Mapped Locations: 13

Number of Observations: 31

Observation date range: 08-01-1901 to 06-19-1997

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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