1. Family: Poaceae Barnhart
    1. Genus: Pentameris P.Beauv.
      1. Pentameris exserta (H.P.Linder) Galley & H.P.Linder

        This species is accepted, and its native range is S. Africa.

    [GB]
    Habit
    Perennial; caespitose. Stolons present. Butt sheaths pallid; glossy; glabrous; persistent and investing base of culm. Glands absent. Culms 60 cm long; 3-5 -noded. Lateral branches lacking. Leaves mostly basal. Leaf-sheath oral hairs ciliate. Ligule a fringe of hairs. Leaf-blades filiform; convolute; 30 cm long; 0.5 mm wide; stiff; eglandular. Leaf-blade surface hirsute; hairy adaxially. Leaf-blade margins scabrous. Leaf-blade apex acute.
    Inflorescences
    Inflorescence a panicle; comprising 100 fertile spikelets. Panicle open; ovate; 6-11 cm long; 5-8 cm wide. Panicle branches eglandular; bearded in axils. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform; 1.2 length of fertile spikelet; eglandular; smooth.
    Spikelets
    Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets cuneate; laterally compressed; 7-8.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; pubescent.
    Fertile
    Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets cuneate; laterally compressed; 7-8.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; pubescent.
    Glume
    Glumes persistent; similar; exceeding apex of florets; gaping. Lower glume elliptic; 7-8.5 mm long; 1 length of upper glume; membranous; mid-green; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acuminate. Upper glume elliptic; 7-8.5 mm long; 1.7-2 length of adjacent fertile lemma; membranous; mid-green; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume apex acuminate.
    Florets
    Fertile lemma oblong; 3.5-5 mm long; membranous; without keel; 5-9 -veined. Lemma surface villous. Lemma margins ciliate. Lemma apex lobed; 2 -fid; with lobes 1.5 mm long; awned; 3 -awned. Principal lemma awn from a sinus; geniculate; 7-11 mm long overall; with twisted column. Lateral lemma awns arising on inner edge of lobes; 3-4 mm long; exserted; shorter than principal. Palea surface pubescent; hairy above.
    Flowers
    Lodicules 2; cuneate; fleshy; glabrous. Anthers 3; 2-3 mm long; yellow.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Africa: south.
    Reference
    Arundineae. Linder 1992.

    Distribution

    Native to:

    Cape Provinces, Free State, KwaZulu-Natal, Lesotho

    Pentameris exserta (H.P.Linder) Galley & H.P.Linder appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1990 Braun, K.P. [1018], South Africa Pentaschistis exserta K000719704
    Esterhuysen, E. [30242], South Africa Pentaschistis exserta K000719705

    First published in Ann. Missouri Bot. Gard. 97: 332 (2010)

    Literature

    Kew Backbone Distributions
    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa: an annotated checklist. Strelitzia 14.: i-vi, 1-1231. National Botanical Institute, Pretoria.

    Sources

    GrassBase - The Online World Grass Flora
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. 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 2019. 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