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This species is accepted, and its native range is New South Wales.

[GB]
Morphology General Habit
Perennial; caespitose; clumped densely. Culms 30-60 cm long; 2-3 -noded. Leaves mostly basal. Ligule a fringe of hairs; 0.5-1 mm long. Leaf-blades flexuous; filiform; convolute; 20-30 cm long; 0.5-1.5 mm wide. Leaf-blade surface ribbed; scabrous; rough adaxially.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle open; ovate, or pyramidal; 5-15 cm long. Primary panicle branches spreading. Panicle branches capillary. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 3 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 6-9 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 1 mm long. Floret callus brief.
Fertile
Spikelets comprising 3 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 6-9 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 1 mm long. Floret callus brief.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; reaching apex of florets; gaping. Lower glume lanceolate; 6-9 mm long; 1 length of upper glume; chartaceous; 1-keeled; 3 -veined. Lower glume surface smooth, or asperulous. Lower glume apex acute. Upper glume lanceolate; 6-9 mm long; 1.7-2.2 length of adjacent fertile lemma; chartaceous; 1-keeled; 3 -veined. Upper glume surface smooth, or asperulous. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma oblong; 3.5-4 mm long; chartaceous; much thinner above; without keel; 9 -veined. Lemma surface pilose; hairy below; hairy between veins. Lemma apex lobed; 2 -fid; with lobes 2 mm long; incised 0.5 of lemma length; obtuse, or acute; awned; 1 -awned. Principal lemma awn from a sinus; geniculate; 3-4 mm long overall; with a straight or slightly twisted column. Palea oblong; 1 length of lemma; chartaceous; thinner above; 2 -veined. Palea keels ciliolate. Palea surface pilose; hairy on back and on flanks; hairy below.
Morphology Reproductive morphology Flowers
Lodicules 2; fleshy; glabrous. Anthers 3; 2-2.5 mm long.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp. Hilum linear; 0.5 length of caryopsis.
Distribution
Australasia: Australia.
Reference
Arundineae. Vickery.

Native to:

New South Wales

Plinthanthesis urvillei Steud. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jan 11, 1980 Blake, S.T. [13912], Australia K000702648
Constable, E.F. [10619], Australia K000702646
s.coll. [84], Australia K000702645
Vickery, J. [14], Australia K000702649 Unknown type material
Coveny, R. [4770], Australia K000702647
s.coll. [2], Australia K000702644
Burk, M. [2], Australia K000702650

First published in Syn. Pl. Glumac. 1: 14 (1853)

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.
  • Mallett, K. (ed.) (2005). Flora of Australia 44B: 1-486. Australian Government Publishing Service, Canberra.

Literature

Kew Backbone Distributions

  • Mallett, K. (ed.) (2005). Flora of Australia 44B: 1-486. 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