Polypogon australis Brongn.

This species is accepted, and its native range is S. South America.

[GB]
Morphology General Habit
Perennial. Culms 30-120 cm long. Leaf-sheaths smooth, or antrorsely scabrous. Ligule an eciliate membrane; 1.5-3 mm long; erose; truncate. Leaf-blades 3-15 cm long; 1.5-8 mm wide. Leaf-blade surface scaberulous; rough on both sides.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle contracted; oblong; interrupted; 5-25 cm long. Primary panicle branches 4-8 cm long. Panicle branches scabrous. Spikelets solitary. Fertile spikelets sessile.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets cuneate; laterally compressed; 1.8-3.5 mm long; falling entire. Spikelet callus oblong; 0.2-1 mm long. Floret callus glabrous.
Fertile
Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets cuneate; laterally compressed; 1.8-3.5 mm long; falling entire. Spikelet callus oblong; 0.2-1 mm long. Floret callus glabrous.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes similar; exceeding apex of florets; firmer than fertile lemma; gaping. Lower glume oblong; 1.8-3.5 mm long; 1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume surface scabrous. Lower glume apex truncate; awned; 1 -awned. Lower glume awn 4-15 mm long. Upper glume oblong; 1.8-3.5 mm long; 1.8-2 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume surface scabrous. Upper glume apex truncate; awned; 1 -awned. Upper glume awn 4-15 mm long.
Morphology Reproductive morphology Flowers Florets
Fertile lemma oblong; 1-1.7 mm long; cartilaginous; without keel; 5 -veined. Lemma lateral veins excurrent. Lemma apex dentate; 4 -fid; truncate; awned; 1 -awned. Principal lemma awn from a sinus; 3.5-9 mm long overall. Palea 1 mm long; 1 length of lemma; hyaline; 2 -veined. Palea apex with excurrent keel veins.
Morphology Reproductive morphology Flowers
Lodicules 2; membranous. Anthers 3; 0.6-0.9 mm long.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp.
Distribution
North America: northwest USA and Mexico. South America: southern South America.
Reference
Aveneae. Fl Pat.

Native to:

Argentina Northeast, Argentina Northwest, Argentina South, Chile Central, Chile North, Chile South, Juan Fernández Is.

Introduced into:

Arizona, California, Mexico Northwest, Nevada, Washington

Polypogon australis Brongn. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Lechler, W. [444], Chile K000308490
Cuming [48], Chile K000308491
Philippi, R.A. [296], Chile K000308489
King [570], Argentina K000308486 lectotype

First published in L.I.Duperrey, Voy. Monde, Phan.: 21 (1829)

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.
  • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
  • Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.
  • 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

  • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
  • Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.
  • 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 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