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

        This species is accepted, and its native range is Cape Prov.

    [GB]
    Habit
    Perennial; caespitose. Butt sheaths light brown; glabrous. Glands absent. Culms geniculately ascending; 20-30 cm long; 3-5 -noded. Lateral branches lacking. Leaves mostly basal. Leaf-sheaths glabrous on surface, or puberulous. Leaf-sheath oral hairs bearded. Ligule a fringe of hairs. Leaf-blades filiform; convolute; 3-10 cm long; 0.3-0.5 mm wide; stiff; eglandular. Leaf-blade surface glabrous, or puberulous; hairy abaxially. Leaf-blade apex acute.
    Inflorescences
    Inflorescence a panicle; comprising 30-50 fertile spikelets. Panicle open, or contracted; ovate; 1.5-6 cm long; 0.5-4 cm wide. Panicle branches eglandular; glabrous in axils. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform; 0.8-1 length of fertile spikelet; eglandular; glabrous, or puberulous.
    Spikelets
    Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets cuneate; laterally compressed; 5-7 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; 5-7 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; 5-7 mm long; 1 length of upper glume; membranous; pallid, or light brown; 1-keeled; 1 -veined. Lower glume primary vein smooth, or scaberulous. Lower glume lateral veins absent. Lower glume apex acuminate. Upper glume elliptic; 5-7 mm long; 2.5 length of adjacent fertile lemma; membranous; pallid, or light brown; 1-keeled; 1 -veined. Upper glume primary vein smooth, or scaberulous. Upper glume lateral veins absent. Upper glume apex acuminate.
    Florets
    Fertile lemma oblong; 2-3 mm long; membranous; without keel; 5-9 -veined. Lemma surface villous; hairy on veins. Lemma apex lobed; 2 -fid; awned; 3 -awned. Principal lemma awn from a sinus; geniculate; 10-12 mm long overall; with twisted column. Lateral lemma awns arising on inner edge of lobes; 4-5 mm long; exserted; shorter than principal.
    Flowers
    Lodicules 2; cuneate; fleshy; glabrous. Anthers 3; 2 mm long.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Africa: south.
    Reference
    Arundineae. Linder 1992.

    Images

    Distribution

    Native to:

    Cape Provinces

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

    Date Reference Identified As Barcode Type Status
    Linder [4365], South Africa Pentaschistis calcicola K000367103 isotype
    Linder [4366], South Africa Pentaschistis calcicola K000367104 isotype
    DuToit, P.C.V. [1930], South Africa Pentaschistis calcicola K000719568
    Acocks, J.P.H. [22776], South Africa Pentaschistis calcicola K000719569

    First published in Ann. Missouri Bot. Gard. 97: 331 (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.
    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 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