1. Family: Poaceae Barnhart
    1. Genus: Aristida L.
      1. Aristida chapadensis Trin.

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

    [GB]
    Habit
    Perennial. Culms 90-106 cm long. Lateral branches lacking. Leaf-sheath oral hairs scanty, or bearded (sparsely). Ligule a ciliolate membrane; 0.2 mm long. Collar glabrous. Leaf-blades straight; flat, or convolute (sometimes upper); 20-50(-60) cm long; 4-7 mm wide. Leaf-blade surface scabrous; rough adaxially; glabrous. Leaf-blade apex acute; antrorsely scabrous.
    Inflorescences
    Inflorescence a panicle. Panicle open; 30-40 cm long.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets subterete; breaking up at maturity; disarticulating below each fertile floret. Floret callus elongated; straight; 1.5-1.8 mm long; bearded; acute.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets subterete; breaking up at maturity; disarticulating below each fertile floret. Floret callus elongated; straight; 1.5-1.8 mm long; bearded; acute.
    Glume
    Glumes persistent; dissimilar (lower longer than upper). Lower glume lanceolate; (16-)17-19(-22) mm long; 1 -veined. Lower glume primary vein scaberulous. Lower glume surface asperulous; rough generally. Lower glume apex setaceously attenuate. Upper glume lanceolate; 14-16(-19) mm long; 1 -veined. Upper glume surface smooth. Upper glume apex entire; setaceously attenuate.
    Florets
    Fertile lemma subterete; 8-10 mm long; without keel; rounded throughout; 3 -veined. Lemma surface scaberulous; rough above; with a median groove (ventral,longitudinal). Lemma margins involute. Lemma apex awned; 3 -awned. Principal lemma awn straight; ascending; simple at base; with (35-)45-56 mm long limb; with twisted column. Column of lemma awn (13-)16-25 mm long. Lateral lemma awns ascending; 28-46 mm long; shorter than principal.
    Distribution
    South America: Brazil.
    Reference
    Aristideae. LO-W 1993.

    Images

    Distribution

    Native to:

    Brazil North, Brazil West-Central

    Aristida chapadensis Trin. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1993 Brazil K000308644
    Brazil K000308645
    Riedel [s.n.], Bahia K000001226 Unknown type material
    Riedel [1045], Brazil K000308646
    Amaral, I.L. [1025], Brazil K001101238

    First published in Bull. Sci. Acad. Imp. Sci. Saint-Pétersbourg 1: 68 (1836)

    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.

    Literature

    Kew Backbone Distributions
    • Forzza, R.C. & al. (2013). Lista de Espécies da Flora do Brasil http://floradobrasil.jbrj.gov.br/2010/.

    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