1. Family: Poaceae Barnhart
    1. Genus: Pentameris P.Beauv.
      1. Pentameris tortuosa (Trin.) Nees

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

    [GB]
    Habit
    Perennial; caespitose. Stolons present. Butt sheaths pallid; glossy; glabrous; persistent and investing base of culm. Glands absent. Culms 60-100 cm long; 3-5 -noded. Lateral branches lacking. Leaves mostly basal. Leaf-sheaths glabrous on surface. Leaf-sheath oral hairs lacking. Ligule a fringe of hairs. Leaf-blades curled; flat, or convolute; 50 cm long; 4 mm wide; stiff; eglandular. Leaf-blade surface smooth, or scaberulous; glabrous. Leaf-blade margins scabrous. Leaf-blade apex acute.
    Inflorescences
    Inflorescence a panicle; comprising 200 fertile spikelets. Panicle contracted; lanceolate; nodding; 8-20 cm long; 2-4 cm wide. Panicle branches eglandular; glabrous in axils. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform; 1-1.5 length of fertile spikelet; eglandular; smooth, or scaberulous.
    Spikelets
    Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets cuneate; laterally compressed; 7-11 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; 7-11 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; 7-11 mm long; 1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein smooth, or scaberulous. Lower glume lateral veins absent. Lower glume apex acuminate. Upper glume elliptic; 7-11 mm long; 1.8 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume primary vein smooth, or scaberulous. Upper glume lateral veins absent. Upper glume apex acuminate.
    Florets
    Fertile lemma oblong; 4-6 mm long; membranous; without keel; 5-9 -veined. Lemma surface villous. Lemma apex lobed; 2 -fid; with lobes 1 mm long; awned; 3 -awned. Principal lemma awn from a sinus; geniculate; 10-15 mm long overall; with twisted column. Lateral lemma awns arising on inner edge of lobes; 4-5 mm long; equalling glumes; shorter than principal. Palea surface pubescent; hairy above.
    Flowers
    Lodicules 2; cuneate; fleshy; glabrous. Anthers 3; 3 mm long; yellow.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Africa: south.
    Reference
    Arundineae. Linder 1992.

    Images

    Distribution

    Native to:

    Cape Provinces

    Pentameris tortuosa (Trin.) Nees appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1999 DuToit, P.C.V. [1467], South Africa Pentaschistis tortuosa K000719542
    South Africa Pentaschistis tortuosa K000367106 Unknown type material
    Taylor, H.C. [4082], South Africa Pentaschistis tortuosa K000719537
    Taylor, H.C. [5981], South Africa Pentaschistis tortuosa K000719538
    Taylor, H.C. [6547q], South Africa Pentaschistis tortuosa K000719539
    Linder, H.P. [4340], South Africa Pentaschistis tortuosa K000719543
    Esterhuysen, E. [28028], South Africa Pentaschistis tortuosa K000719548
    Parker, R.N. [4680], South Africa Pentaschistis tortuosa K000719545
    Drege [s.n.], South Africa Pentaschistis tortuosa K000367107 Unknown type material
    Drege [s.n.], South Africa Pentaschistis tortuosa K000367108
    MacOwan [3146], South Africa Pentaschistis tortuosa K000719546
    Wolley-Dod, A.H. [3120], South Africa Pentaschistis tortuosa K000719550
    Wolley-Dod, A.H. [2846], South Africa Pentaschistis tortuosa K000719551
    Bolus, F. [14666], South Africa Pentaschistis tortuosa K000719544
    Liebenberg, L.C.C [3820], South Africa Pentaschistis tortuosa K000719536
    Ellis, R.P. [2227], South Africa Pentaschistis tortuosa K000719547
    Van der Merwe, P. [24-62], South Africa Pentaschistis tortuosa K000719549
    Acocks, J.P.H. [19962], South Africa Pentaschistis tortuosa K000719540
    Acocks, J.P.H. [22819], South Africa Pentaschistis tortuosa K000719541

    First published in Linnaea 7: 311 (1832)

    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 tortuosa.]

    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