1. Family: Poaceae Barnhart
    1. Genus: Aristida L.
      1. Aristida spectabilis Hack.

        This species is accepted, and its native range is Botswana to Northern Prov.

    [GB]
    Habit
    Perennial; caespitose. Culms erect; robust; 100-180 cm long. Culm-internodes distally glabrous. Culm-nodes glabrous. Lateral branches lacking. Leaf-sheaths longer than adjacent culm internode; glabrous on surface. Leaf-sheath oral hairs lacking, or woolly. Ligule a fringe of hairs. Leaf-blades flat, or involute; 30-60 cm long; 4-5 mm wide.
    Inflorescences
    Inflorescence a panicle. Panicle open; elliptic; effuse; nodding; 30-40 cm long; 10-25 cm wide. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear; subterete; 10-12 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; 1 mm long; bearded; 2-toothed.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear; subterete; 10-12 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; 1 mm long; bearded; 2-toothed.
    Glume
    Glumes persistent; similar; exceeding apex of florets; thinner than fertile lemma. Lower glume linear, or lanceolate; 6-12 mm long; 0.5-1 length of upper glume; membranous; much thinner above; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume linear, or lanceolate; 10-12 mm long; 1.5 length of adjacent fertile lemma; membranous; much thinner above; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume apex acute.
    Florets
    Fertile lemma linear; subterete; 6.5-7.5 mm long; coriaceous; keeled; 3 -veined. Lemma surface smooth, or scaberulous; rough above. Lemma margins convolute; covering most of palea. Lemma apex acute; awned; 3 -awned. Principal lemma awn 3-branched; with 35-44 mm long limb; with twisted column; deciduous; abscissing from top of lemma. Column of lemma awn 5-6 mm long. Lateral lemma awns 20-28 mm long; shorter than principal. Palea without keels.
    Flowers
    Anthers 3.
    Distribution
    Africa: south.
    Reference
    Aristideae. De Winter 1993.

    Distribution

    Native to:

    Botswana, Free State, Northern Provinces

    Aristida spectabilis Hack. appears in other Kew resources:

    First published in Bull. Herb. Boissier 3: 380 (1895)

    Accepted by

    • Retief, E. & Meyer, N.L. (2017). Plants of the Free State inventory and identification guide Strelitzia 38: 1-1236. National Botanical Institute, Pretoria.
    • 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
    • Retief, E. & Meyer, N.L. (2017). Plants of the Free State inventory and identification guide Strelitzia 38: 1-1236. National Botanical Institute, Pretoria.
    • 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

    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