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This species is accepted, and its native range is Central Chile to W. Argentina.

[GB]
Morphology General Habit
Perennial; cushion forming. Culms 5-25 cm long. Ligule an eciliate membrane; 3-4 mm long; acute. Leaf-blades filiform; convolute; 1-2.5 cm long; 0.5 mm wide.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle open; ovate; 1-4 cm long. Primary panicle branches 1.5-2 cm long. Spikelets solitary. Fertile spikelets pedicelled.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 2 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 3.5-4.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite; 1 mm long; pilose. Floret callus pilose. Floret callus hairs 0.7-1 mm long.
Fertile
Spikelets comprising 2 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 3.5-4.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite; 1 mm long; pilose. Floret callus pilose. Floret callus hairs 0.7-1 mm long.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; exceeding apex of florets; similar to fertile lemma in texture; shiny. Lower glume lanceolate; 4 mm long; 1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein smooth, or scaberulous. Lower glume lateral veins absent. Lower glume apex acute. Upper glume elliptic; 4 mm long; 1.2 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume primary vein smooth, or scaberulous. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma oblong; 2.5-3 mm long; membranous; shiny; without keel; 5 -veined. Lemma apex dentate; 4 -fid; with outer lobes longer; awned; 1 -awned. Principal lemma awn dorsal; arising 0.1 way up back of lemma; geniculate; 4-5 mm long overall; with twisted column. Rhachilla extension pilose.
Morphology Reproductive morphology Flowers
Lodicules 2; membranous. Anthers 3; 1.5 mm long. Ovary glabrous.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp; fusiform; 1.5 mm long. Hilum punctiform.
Distribution
South America: southern South America.
Reference
Aveneae. Fl Pat 1995.

Native to:

Argentina Northwest, Argentina South, Chile Central

Deschampsia venustula Parodi appears in other Kew resources:

First published in Darwiniana 8: 450 (1949)

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.

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