1. Family: Poaceae Barnhart
    1. Genus: Pentameris P.Beauv.
      1. Pentameris rupestris (Nees) Steud.

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

    [GB]
    Habit
    Perennial; caespitose. Butt sheaths pallid; glossy; villous; persistent and investing base of culm. Glands raised crateriform. Culms 60-100 cm long; 3-5 -noded. Lateral branches lacking. Leaves mostly basal. Leaf-sheaths hirsute. Leaf-sheath oral hairs bearded. Ligule a fringe of hairs. Leaf-blades 40 cm long; 6 mm wide; flaccid; eglandular, or glandular. Leaf-blade surface glabrous. Leaf-blade margins scabrous. Leaf-blade apex acute.
    Inflorescences
    Inflorescence a panicle; comprising 300 fertile spikelets. Panicle open; ovate; 10 cm long; 9 cm wide. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform; 1.5 length of fertile spikelet; glandular.
    Spikelets
    Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets cuneate; laterally compressed; 7-8 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 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; pubescent.
    Glume
    Glumes persistent; similar; exceeding apex of florets; shiny; gaping. Lower glume elliptic; 7-8 mm long; 1 length of upper glume; membranous; glandular; 1-keeled; 1 -veined. Lower glume primary vein smooth, or scaberulous. Lower glume lateral veins absent. Lower glume apex acuminate. Upper glume elliptic; 7-8 mm long; 2-2.5 length of adjacent fertile lemma; membranous; glandular; 1-keeled; 1 -veined. Upper glume primary vein smooth, or scaberulous. Upper glume lateral veins absent. Upper glume apex acuminate.
    Florets
    Fertile lemma oblong; 3 mm long; membranous; without keel; 5-9 -veined. Lemma surface villous. Lemma apex lobed; 2 -fid; with lobes 0.3 mm long; awned; 3 -awned. Principal lemma awn from a sinus; geniculate; 10 mm long overall; with twisted column. Lateral lemma awns arising on inner edge of lobes; 2-3 mm long; equalling glumes; shorter than principal. Palea surface glabrous.
    Flowers
    Lodicules 2; cuneate; fleshy; glabrous. Anthers 3; 3 mm long; brown.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Africa: south.
    Reference
    Arundineae. Linder.

    Images

    Distribution

    Native to:

    Cape Provinces

    Pentameris rupestris (Nees) Steud. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Pillans, N.S. [7354], South Africa Pentaschistis rupestris K000702963
    Taylor, H.C. [9753], South Africa Pentaschistis rupestris K000702955
    Taylor, H.C. [3163], South Africa Pentaschistis rupestris K000702956
    Taylor, H.C. [6200], South Africa Pentaschistis rupestris K000702961
    Linder, H.P. [4534], South Africa Pentaschistis rupestris K000702951
    Linder, H.P. [4453], South Africa Pentaschistis rupestris K000702952
    Linder, H.P. [4443], South Africa Pentaschistis rupestris K000702953
    Linder, H.P. [4468], South Africa Pentaschistis rupestris K000702954
    Linder, H.P. [4466], South Africa Pentaschistis rupestris K000702960
    Drege [1682 b], South Africa Pentaschistis rupestris K000367193
    Drege [s.n.], South Africa Pentaschistis rupestris K000367194 Unknown type material
    Acocks, J.P.H. [17344], South Africa Pentaschistis rupestris K000702962
    Adamson, R.S. [4074], South Africa Pentaschistis rupestris K000702957
    Adamson, R.S. [4074], South Africa Pentaschistis rupestris K000702958
    Esterhuysen, E.E. [8300], South Africa Pentaschistis rupestris K000702946
    Esterhuysen, E.E. [20892], South Africa Pentaschistis rupestris K000702947
    Esterhuysen, E.E. [19833], South Africa Pentaschistis rupestris K000702948
    Esterhuysen, E.E. [22573], South Africa Pentaschistis rupestris K000702949
    Esterhuysen, E.E. [24108], South Africa Pentaschistis rupestris K000702945
    Esterhuysen, E.E. [29999], South Africa Pentaschistis rupestris K000702950
    Phillips, E.P. [11121], South Africa Pentaschistis rupestris K000702959
    Galpin, N.L. [148], South Africa Pentaschistis rupestris K000702964

    First published in Nomencl. Bot., ed. 2, 2: 299 (1841)

    Not 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. [Cited as Pentaschistis rupestris.]

    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