1. Family: Poaceae Barnhart
    1. Genus: Aristida L.
      1. Aristida parvula (Nees) De Winter

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

    [GB]
    Habit
    Annual. Culms geniculately ascending, or decumbent; 6-40 cm long; wiry. Culm-internodes distally glabrous. Culm-nodes glabrous. Lateral branches lacking, or sparse, or ample. Leaf-sheaths outer margin hairy. Ligule a fringe of hairs. Leaf-blades flat, or convolute; 6-12 cm long; 1-2 mm wide.
    Inflorescences
    Inflorescence a panicle. Panicle open; elliptic; effuse; 4-12 cm long. Primary panicle branches spreading. Panicle branches angular; scabrous. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear; subterete; 6.5-7.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; bearded; hairy in a ring above; truncate. Floret callus hairs 0.5 length of lemma.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear; subterete; 6.5-7.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; bearded; hairy in a ring above; truncate. Floret callus hairs 0.5 length of lemma.
    Glume
    Glumes persistent; similar; reaching apex of florets; thinner than fertile lemma. Lower glume lanceolate; 4.5-5.5 mm long; 0.66-0.75 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein scabrous. Lower glume lateral veins absent. Lower glume apex dentate; 2 -fid; awned; 1 -awned. Lower glume awn 2 mm long. Upper glume lanceolate; 6.5-7.5 mm long; 1 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume primary vein scabrous. Upper glume lateral veins absent. Upper glume apex dentate; 2 -fid; awned; 1 -awned. Upper glume awn 2 mm long.
    Florets
    Fertile lemma linear; subterete; 7 mm long; coriaceous; keeled; 3 -veined. Lemma midvein scabrous. Lemma surface scabrous; rough above. Lemma margins convolute; covering most of palea. Lemma apex acute; awned; 1 -awned. Principal lemma awn geniculate; with 6-9 mm long limb; with twisted column; deciduous; abscissing from top of lemma. Column of lemma awn 5 mm long. Palea oblong; 1 mm long; 0.15 length of lemma; 2 -veined; without keels.
    Flowers
    Lodicules 2; lanceolate; 1.5 mm long; fleshy; veined. Anthers 3; 1.5 mm long.
    Fruits
    Caryopsis with adherent pericarp; linear. Embryo 0.5 length of caryopsis. Hilum linear.
    Distribution
    Africa: south.
    Reference
    Aristideae. De Winter 1993.

    Images

    Distribution

    Native to:

    Cape Provinces, Namibia

    Aristida parvula (Nees) De Winter appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Galpin, E.E. [7420] K000366709 Unknown type material

    First published in Kirkia 3: 132 (1963)

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

    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 2020. 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 2020. 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