Koeleria fueguina Calderón ex Nicora

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

[GB]
Morphology General Habit
Perennial; caespitose. Rhizomes short. Culms erect, or geniculately ascending; 20-45 cm long; 2-3 -noded. Leaf-sheaths pilose. Ligule a ciliolate membrane; 0.5-2 mm long. Leaf-blades flat, or convolute; 6-18 cm long; 1-2 mm wide. Leaf-blade surface pubescent. Leaf-blade margins ciliate.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Peduncle pubescent above. Panicle contracted; lanceolate, or oblong; interrupted; 3.5-10 cm long; 1-1.8 cm wide. Panicle axis pubescent. Panicle branches pubescent. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 2-2.5 mm long; ciliate.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 2-3 fertile florets; with a barren rhachilla extension, or with diminished florets at the apex. Spikelets obovate; laterally compressed; 4-6 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 0.4-0.75 mm long; pubescent. Floret callus pubescent. Floret callus hairs 0.5-1 mm long.
Fertile
Spikelets comprising 2-3 fertile florets; with a barren rhachilla extension, or with diminished florets at the apex. Spikelets obovate; laterally compressed; 4-6 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 0.4-0.75 mm long; pubescent. Floret callus pubescent. Floret callus hairs 0.5-1 mm long.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; reaching apex of florets; similar to fertile lemma in texture; shiny; gaping. Lower glume lanceolate; 0.9 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein ciliate. Lower glume lateral veins absent. Lower glume hairs 0.5-1 mm long. Lower glume apex acute. Upper glume oblong; 1 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume primary vein ciliate. Upper glume hairs 0.5-1 mm long. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma elliptic; 4.5-6 mm long; membranous; shiny; keeled. Lemma surface scabrous. Lemma apex acute; awned; 1 -awned. Principal lemma awn subapical; straight, or curved; 1.5-4 mm long overall. Palea gaping. Palea keels ciliolate. Apical sterile florets resembling fertile though underdeveloped.
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; ovoid; 2-2.5 mm long; dark brown. Endosperm liquid.
Distribution
South America: southern South America.
Reference
Aveneae. Fl Pat 1995.

Native to:

Argentina South, Chile Central, Chile South

Koeleria fueguina Calderón ex Nicora appears in other Kew resources:

First published in Fl. Patagonica 3: 63 (1978)

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

  • Kew Backbone Distributions

    The International Plant Names Index and World Checklist of Selected Plant Families 2022. 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 2022. 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