Species Information

Kingdom: Plantae
  Phylum: Anthophyta
    Class: Monocotyledoneae
      Order: Cyperales
        Family: Poaceae
          Genus: Achnatherum
            Species: curvifolia

Guadalupe Needle Grass - Stipa curvifolia

Guadalupe Needle Grass

Image courtesy of New Mexico Rare Plants

510375

Species Extent (New Mexico)

General Description

Tufted perennial; stems 2-6(10) dm tall; leaves clustered in the lower half; blades tightly involute, minutely velvety-hairy, curling and straw-colored in age, 5-20 cm long; inflorescences spike-like, 4-10 cm long at the tips of the flowering shoots; spikelets in dense clusters; glumes 14-16 mm long, hyaline except for 3 strong nerves; lemma densely hairy, darkened and indurate at maturity, with a sharp callus, 6-8 mm long; awn 20-50 mm long, bent once (sometimes twice) at about the middle, the lower portion with conspicuous hairs 0.5-1.5 mm long. Flowers April to mid-June.

Status

Global Rank: G3

State Rank: S2

State Status:

Federal Status:

USFS Status:

BLM Status:

SWAP Status:

NMRP Strategy Status:

Observations in Natural Heritage New Mexico Database

Number of Subpopulations: 10

Number of Mapped Locations: 10

Number of Observations: 13

Observation date range: 05-20-1951 to 04-25-1998

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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