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This species is accepted, and its native range is Central & S. Chile to S. Argentina.
A specimen from Kew's Herbarium

[GB]
Morphology General Habit
Perennial; caespitose. Culms erect; slender; 5-30 cm long. Ligule an eciliate membrane; 5-7 mm long; acute. Leaf-blades filiform; convolute; 1-2 mm wide. Leaf-blade surface smooth, or scaberulous; rough abaxially.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle; exserted, or embraced at base by subtending leaf. Panicle open; ovate; 5-12 cm long. Primary panicle branches 2-7 cm long. Panicle branches pubescent. Spikelets solitary. Fertile spikelets pedicelled. Pedicels pubescent.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 2 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 4-6 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite; 1.2 mm long; pilose. Floret callus pilose. Floret callus hairs 0.5 length of lemma.
Fertile
Spikelets comprising 2 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 4-6 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite; 1.2 mm long; pilose. Floret callus pilose. Floret callus hairs 0.5 length of lemma.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; exceeding apex of florets; similar to fertile lemma in texture; shiny. Lower glume lanceolate; 1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume elliptic; 2-3 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma oblong; 2 mm long; membranous; shiny; without keel; 5 -veined. Lemma apex dentate; 4 -fid; with simple equal lobes; with lobes 0.2-0.3 mm long; awned; 1 -awned. Principal lemma awn dorsal; arising 0.33-0.5 way up back of lemma; straight; 1.5-3 mm long overall; not or scarcely exserted from spikelet. Rhachilla extension pilose.
Morphology Reproductive morphology Flowers
Lodicules 2; membranous. Anthers 3; 0.5-0.8 mm long. Ovary glabrous.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp; 1 mm long. Hilum punctiform.
Distribution
South America: southern South America.
Reference
Aveneae. Fl Pat 1995.

Native to:

Argentina South, Chile Central, Chile South

Deschampsia patula (Phil.) Skottsb. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Chile K000308346
Chile K000308345

First published in Kongl. Svenska Vetensk. Acad. Handl., n.s., 56(5): 175 (1916)

Accepted by

  • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348. Missouri Botanical Garden.

Literature

Kew Backbone Distributions

  • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348. Missouri Botanical Garden.

GrassBase - The Online World Grass Flora
http://creativecommons.org/licenses/by-nc-sa/3.0

Herbarium Catalogue Specimens
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0