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

[GB]
Morphology General Habit
Perennial. Rhizomes elongated. Culms 5-10 cm long. Leaf-sheaths inflated; pubescent. Ligule an eciliate membrane; erose; truncate. Leaf-blades curved; flat, or conduplicate; 1-3 cm long; 2-3 mm wide. Leaf-blade surface puberulous; hairy adaxially.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Peduncle pubescent above. Panicle spiciform; oblong; 1-2 cm long; 0.7-1 cm wide; bearing few spikelets. Panicle axis smooth. Spikelets solitary. Fertile spikelets pedicelled. Pedicels pubescent; hairy at tip.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 2 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; laterally compressed; 4.5-5 mm long; breaking up at maturity; disarticulating below each fertile floret.
Fertile
Spikelets comprising 2 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; laterally compressed; 4.5-5 mm long; breaking up at maturity; disarticulating below each fertile floret.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; exceeding apex of florets; thinner than fertile lemma. Lower glume ovate; 4.5-5 mm long; 1 length of upper glume; membranous; 1-keeled; 3 -veined. Lower glume primary vein extending to apex. Lower glume apex obtuse. Upper glume ovate; 4.5-5 mm long; membranous; 1-keeled; 3 -veined. Upper glume lateral veins all falling short of apex. Upper glume apex obtuse.
Morphology Reproductive morphology Flowers Florets
Basal sterile florets similar; male; with palea; attached to and deciduous with the fertile. Lemma of lower sterile floret elliptic; 5 mm long; chartaceous; 1-keeled; 5 -veined; scaberulous; rough above; truncate, or obtuse; muticous. Palea of lower sterile floret 3.5 mm long. Lemma of upper sterile floret oblong; 1 length of lower sterile floret; chartaceous; scabrous; truncate, or obtuse; muticous. Fertile florets female. Fertile lemma ovate; 3-3.5 mm long; cartilaginous; light brown; without keel; 5 -veined. Lemma margins convolute; covering most of palea. Lemma apex acute. Palea linear; 1 -veined; without keels.
Morphology Reproductive morphology Flowers
Anthers 3; 2.5 mm long. Staminodes two present. Ovary glabrous.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp.
Distribution
South America: southern South America.
Reference
Aveneae. Fl Pat 1995.

Native to:

Argentina South, Chile South

Anthoxanthum pusillum (Hack.) Veldkamp appears in other Kew resources:

First published in Blumea 30: 349 (1985)

Not 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. [Cited as Hierochloe pusilla.]

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.

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