1. Family: Poaceae Barnhart
    1. Genus: Aristida L.
      1. Aristida tarapotana Mez

        This species is accepted, and its native range is E. Peru.

    [GB]
    Habit
    Perennial; caespitose. Culms 30-40 cm long. Ligule a fringe of hairs. Leaf-blades filiform; convolute; 10-23 cm long; 1 mm wide; stiff.
    Inflorescences
    Inflorescence a panicle. Panicle open; lanceolate; 10-15 cm long. Primary panicle branches appressed. 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; pubescent.
    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; pubescent.
    Glume
    Glumes similar; exceeding apex of florets; thinner than fertile lemma. Lower glume linear; 10-12 mm long; 1 length of upper glume; membranous. Lower glume apex dentate; 2 -fid. Upper glume linear; 10-12 mm long; 1.2 length of adjacent fertile lemma; membranous. Upper glume apex dentate; 2 -fid.
    Florets
    Fertile lemma linear; subterete; 8.5-10 mm long; coriaceous; without keel; 3 -veined. Lemma margins convolute; covering most of palea. Lemma apex awned; 3 -awned. Principal lemma awn with 20-24 mm long limb. Lateral lemma awns shorter than principal.
    Flowers
    Anthers 3.
    Distribution
    South America: western South America.
    Reference
    Aristideae. Gr Peru 1995.

    Distribution

    Aristida tarapotana Mez appears in other Kew resources:

    First published in Repert. Spec. Nov. Regni Veg. 17: 151 (1921)

    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

    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