Family:
Poaceae Barnhart
Genus:
Koeleria Pers.

Koeleria cheesemanii (Hack.) Petrie

This species is accepted, and its native range is New Zealand.

[GB]
Morphology General Habit
Perennial; caespitose. Culms erect; 7.5-30 cm long; 2 -noded; with 0.2-0.25 of their length below uppermost node. Culm-internodes distally pubescent. Leaves mostly basal. Leaf-sheaths puberulous. Ligule an eciliate membrane; erose; truncate. Leaf-blades erect; 2.5-3.5 mm wide; glaucous. Leaf-blade surface scaberulous; glabrous. Leaf-blade margins scaberulous.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle spiciform; linear, or lanceolate; 2.5-7 cm long; 1.2 cm wide. Primary panicle branches 2-3 -nate. Panicle axis pubescent. Panicle branches pubescent. Spikelets solitary. Fertile spikelets pedicelled.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 2 fertile florets; with a barren rhachilla extension. Spikelets lanceolate, or elliptic; laterally compressed; 6 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes pubescent.
Fertile
Spikelets comprising 2 fertile florets; with a barren rhachilla extension. Spikelets lanceolate, or elliptic; laterally compressed; 6 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes pubescent.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; reaching apex of florets; similar to fertile lemma in texture; shiny; gaping. Lower glume lanceolate; 1.1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein scabrous. Lower glume lateral veins absent. Lower glume surface asperulous. Lower glume apex acute. Upper glume lanceolate; 0.9 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume primary vein scabrous. Upper glume surface asperulous. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma oblong; 6 mm long; membranous; shiny; keeled; 5 -veined. Lemma lateral veins obscure. Lemma surface asperulous. Lemma apex acute; awned; 1 -awned. Principal lemma awn subapical; 1 mm long overall. Palea gaping; 0.75 length of lemma. Palea keels scabrous.
Morphology Reproductive morphology Flowers
Lodicules 2; membranous. Anthers 3. Ovary glabrous.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp.
Distribution
Australasia: New Zealand.
Reference
Aveneae. Cheeseman 1995.

Native to:

New Zealand North, New Zealand South

Koeleria cheesemanii (Hack.) Petrie appears in other Kew resources:

First published in Trans. & Proc. New Zealand Inst. 48: 192 (1916)

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.
  • Edgar, E & Connor, H.E. (2010). Flora of New Zealand, ed. 2, 5: 1-650. R.E.Owen, Government Printer, Wellington.

Literature

Kew Backbone Distributions

  • Edgar, E & Connor, H.E. (2010). Flora of New Zealand, ed. 2, 5: 1-650. R.E.Owen, Government Printer, Wellington.

  • 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