Skip to main content
This species is accepted, and its native range is Peru to NW. Argentina and Central Chile.
A specimen from Kew's Herbarium

[GB]
Morphology General Habit
Perennial. Rhizomes short. Culms erect; 17-50 cm long. Culm-internodes smooth. Leaf-sheaths glabrous on surface. Ligule an eciliate membrane; 7-18 mm long; acuminate. Leaf-blades involute; 5-15 cm long; 2-3 mm wide; stiff. Leaf-blade surface scabrous. Leaf-blade apex pungent.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle spiciform; oblong; 2.5-6 cm long; 1.3-2 cm wide. Spikelets solitary. Fertile spikelets pedicelled. Pedicels glabrous.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 5-7.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes elongated below proximal fertile floret. Floret callus bearded. Floret callus hairs 1 length of lemma.
Fertile
Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 5-7.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes elongated below proximal fertile floret. Floret callus bearded. Floret callus hairs 1 length of lemma.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; exceeding apex of florets; firmer than fertile lemma. Lower glume lanceolate; 1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex entire, or dentate; 2 -fid; acute. Upper glume lanceolate; 5-7.5 mm long; 1.3-1.7 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume apex entire, or dentate; 2 -fid; acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma lanceolate; 3.8-4.5 mm long; membranous; without keel. Lemma apex dentate; 2 -fid; awned; 1 -awned. Principal lemma awn dorsal; arising 0.2-0.25 way up back of lemma; straight; 2-3 mm long overall. Rhachilla extension 0.6-1.2 mm long; pilose; hairy in the middle; with 2-3.5 mm long hairs.
Morphology Reproductive morphology Flowers
Lodicules 2. Anthers 3; 2 mm long. Stigmas 2.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp. Hilum punctiform. Disseminule comprising a floret.
Distribution
South America: western South America and southern South America.
Reference
Aveneae. Tovar 1995.

Native to:

Argentina Northwest, Bolivia, Chile Central, Chile North, Peru

Deschampsia chrysantha (J.Presl) Saarela appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jan 1, 1988 Chile Calamagrostis chrysantha K000308478
Jan 1, 1988 Chile Calamagrostis chrysantha K000308479
Jan 1, 1988 Gay [s.n.], Chile Calamagrostis chrysantha K000308477
Jan 1, 1988 Mandon, G. [1319], Bolivia Calamagrostis chrysantha K000308423 isotype
Jan 1, 1988 Gay, C. [s.n.], Coquimbo Calamagrostis chrysantha K000308476 isotype

First published in PhytoKeys 87: 88 (2017)

Accepted by

  • Govaerts, R., Nic Lughadha, E., Black, N., Turner, R. & Paton, A. (2021). The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. https://doi.org/10.1038/s41597-021-00997-6 Scientific Data 8: 215.

Literature

Kew Backbone Distributions

  • Brako, L. & Zarucchi, J.L. (1993). Catalogue of the Flowering Plants and Gymnosperms of Peru Monographs in Systematic Botany from the Missouri Botanical Garden 45: i-xl, 1-1286. Missouri Botanical Garden.
  • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. 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.

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