1. Family: Poaceae Barnhart
    1. Genus: Aristida L.
      1. Aristida humidicola S.M.Phillips

        This species is accepted, and its native range is Tanzania.

    [GB]
    Habit
    Annual; culms solitary. Culms slender; 11-18 cm long. Leaves mostly basal. Leaf-sheaths loose; striately veined. Ligule a fringe of hairs; 0.2 mm long. Leaf-blades conduplicate; 2-3.5 cm long; 1 mm wide. Leaf-blade surface ribbed; scabrous; rough adaxially. Leaf-blade apex abruptly acute.
    Inflorescences
    Inflorescence a panicle. Panicle contracted; linear; 7-12 cm long. Primary panicle branches appressed. Panicle branches capillary. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear; subterete; 8.6-9.7 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus elongated; winged; these appendages 1.5 mm long; pubescent; 2-toothed.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear; subterete; 8.6-9.7 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus elongated; winged; these appendages 1.5 mm long; pubescent; 2-toothed.
    Glume
    Glumes persistent; similar; exceeding apex of florets; thinner than fertile lemma. Lower glume linear, or lanceolate; 8.6-9.7 mm long; 1.1-1.2 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein scaberulous. Lower glume lateral veins absent. Lower glume apex acuminate. Upper glume linear, or oblong; 7.5-7.8 mm long; 2-2.5 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume apex attenuate; mucronate.
    Florets
    Fertile lemma linear; subterete; 3 mm long; coriaceous; without keel; 3 -veined. Lemma surface smooth; villous; hairy above. Lemma margins convolute; covering most of palea. Lemma apex acute; awned; 3 -awned. Principal lemma awn 3-branched; with 18-22 mm long limb; with twisted column; persistent. Column of lemma awn 13-14 mm long. Lateral lemma awns 16-18 mm long; shorter than principal.
    Flowers
    Anthers 3.
    Distribution
    Africa: east tropical.
    Reference
    Aristideae. Phillips 2001.

    Images

    Distribution

    Native to:

    Tanzania

    Aristida humidicola S.M.Phillips appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1999 Bidgood, S. et al. [4406], Tanzania K000366780 Unknown type material
    Bidgood, S. [5726], Tanzania K000468698

    First published in Kew Bull. 55: 203 (2000)

    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.

    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