1. Family: Poaceae Barnhart
    1. Genus: Aristida L.
      1. Aristida alpina L.Liu

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

    [GB]
    Habit
    Perennial; caespitose. Culms 12-22 cm long; 0.5-1 mm diam.; 1-2 -noded. Leaves mostly basal. Leaf-sheath oral hairs lacking, or ciliate. Ligule a fringe of hairs. Leaf-blades involute; 10-30 cm long; 1-2 mm wide; glaucous.
    Inflorescences
    Inflorescence a panicle. Panicle open; linear; 3.5-7.5 cm long. Primary panicle branches 1-2 -nate; bearing 2-4 fertile spikelets on each lower branch. Panicle axis scaberulous. Spikelets appressed; solitary. Fertile spikelets pedicelled. Pedicels 1-10 mm long.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 12 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; pubescent; obtuse. Floret callus hairs 0.5 mm long.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 12 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; pubescent; obtuse. Floret callus hairs 0.5 mm long.
    Glume
    Glumes persistent; similar; exceeding apex of florets; thinner than fertile lemma. Lower glume lanceolate; 10-12 mm long; 0.7-0.8 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein scabrous. Lower glume lateral veins absent. Lower glume surface smooth, or asperulous. Lower glume apex acuminate. Upper glume lanceolate; 12 mm long; 1.3 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume primary vein scabrous. Upper glume lateral veins absent. Upper glume surface smooth, or asperulous. Upper glume apex acuminate.
    Florets
    Fertile lemma elliptic; subterete; 10 mm long; coriaceous; dark brown, or black; without keel; 3 -veined. Lemma surface scaberulous; rough above. Lemma margins convolute; covering most of palea. Lemma apex acute; awned; 3 -awned. Principal lemma awn straight; with 10 mm long limb; persistent. Lateral lemma awns 3-5 mm long; shorter than principal. Palea 0.2 length of lemma; without keels.
    Flowers
    Anthers 3.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Asia-temperate: China.
    Reference
    Aristideae. Liou 1996.

    Distribution

    Aristida alpina L.Liu appears in other Kew resources:

    First published in Fl. Xizang. 5: 82 (1987)

    Accepted by

    • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions
    • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.

    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