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This species is accepted, and its native range is SW. Australia.
A specimen from Kew's Herbarium

[GB]
Morphology General Habit
Perennial. Culms decumbent; slender; 5-25 cm long. Leaf-sheaths smooth; glabrous on surface. Ligule an eciliate membrane; 2-3.5 mm long; lacerate. Leaf-blades 1-1.5 mm wide.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle contracted; linear, or oblong; 1.5-4 cm long. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 1-3 mm long.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 7-8 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent.
Fertile
Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 7-8 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; exceeding apex of florets; thinner than fertile lemma; gaping. Lower glume lanceolate; 1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein scaberulous. Lower glume lateral veins absent. Lower glume apex acuminate. Upper glume lanceolate; 2-2.2 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume primary vein scaberulous. Upper glume apex acuminate.
Morphology Reproductive morphology Flowers Florets
Fertile lemma oblong; 3.5 mm long; membranous; without keel; 5 -veined. Lemma surface scaberulous. Lemma apex dentate; 4 -fid; awned; 1 -awned. Principal lemma awn dorsal; arising 0.25-0.33 way up back of lemma; geniculate; 4-5 mm long overall; with twisted column. Palea 0.8 length of lemma.
Morphology Reproductive morphology Flowers
Lodicules 2. Anthers 3. Stigmas 2.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp. Hilum punctiform. Disseminule comprising a floret.
Distribution
Australasia: Australia.
Reference
Aveneae. Fl W Austral 1994.

Native to:

Western Australia

Calamagrostis drummondii (Steud.) Govaerts appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Drummond, J. [448], Australia K000838423 Unknown type material
Drummond, J. [448], Western Australia K000838422 Unknown type material

First published in World Checkl. Seed Pl. 3(1): 10 (1999)

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.
  • Humphreys, A.M., Govaerts, R., Ficinski, S.Z., Nic Lughadha, E. & Vorontsova, M.S. (2019). Global dataset shows geography and life form predict modern plant extinction and rediscovery Nature Ecology & Evolution 3: 1043-1047.

Literature

Kew Backbone Distributions

  • Wilson, A. (ed.) (2009). Flora of Australia 44A: 1-410. Australian Government Publishing Service, Canberra.

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