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This species is accepted, and its native range is New Zealand to Macquarie Islands.
A specimen from Kew's Herbarium

[GB]
Morphology General Habit
Perennial; caespitose. Culms erect; 15-45 cm long. Ligule an eciliate membrane. Leaf-blades filiform; flat, or involute; 4-10 cm long; 0.5-1 mm wide.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle contracted; ovate; 7-15 cm long. Panicle branches capillary; scabrous. Spikelets solitary. Fertile spikelets pedicelled.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 2 fertile florets; with a barren rhachilla extension. Spikelets oblong; laterally compressed; 2.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite; glabrous. Floret callus glabrous.
Fertile
Spikelets comprising 2 fertile florets; with a barren rhachilla extension. Spikelets oblong; laterally compressed; 2.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite; glabrous. Floret callus glabrous.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; reaching apex of florets; shiny. Lower glume lanceolate; 1.5 mm long; 0.6-0.75 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume elliptic; 2-2.5 mm long; 1.3-1.7 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma oblong; 1.5 mm long; membranous; shiny; without keel; 3-5 -veined. Lemma apex dentate; 3-5 -fid; truncate; mucronate. Principal lemma awn dorsal; arising 0.8-0.9 way up back of lemma; 0.2-0.5 mm long overall. Palea keels smooth. Rhachilla extension glabrous.
Morphology Reproductive morphology Flowers
Lodicules 2; membranous. Anthers 3. Ovary glabrous.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp.
Distribution
Australasia: New Zealand. Antarctic: Subantarctic islands.
Reference
Aveneae. WDC.

Native to:

Antipodean Is., Macquarie Is., New Zealand North, New Zealand South

Deschampsia chapmanii Petrie appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Aug 11, 1999 Hooker, J.D. [1434], New Zealand K000808959 holotype
Hooker, J.D. [s.n.], New Zealand K000808958
Kirk, T. [s.n.], New Zealand K000808961
Hamilton, A. [s.n.], New Zealand K000808963
Chapman, F.R. [s.n.], Antipodean Is. K000975166 Unknown type material
Kirk, T. [s.n.], New Zealand K000808962
Kirk, T. [1208], New Zealand K000808960
Petrie, D. [1849], New Zealand Deschampsia novae-zelandiae K000808967
Petrie, D. [1839], New Zealand Deschampsia novae-zelandiae K000808966
Petrie, D. [1902], New Zealand Deschampsia novae-zelandiae K000808964
Petrie, D. [1839], New Zealand Deschampsia novae-zelandiae K000808965

First published in Trans. & Proc. New Zealand Inst. 23: 401 (1891)

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.
  • George, A.S., Orchard, A.E. & Hewson, H.J. (eds.) (1993). Oceanic islands 2 Flora of Australia 50: 1-606. Australian Government Publishing Service, Canberra.

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

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