1. Family: Poaceae Barnhart
    1. Genus: Aristida L.
      1. Aristida elliptica (Nees) Kunth

        This species is accepted, and its native range is NE. Brazil (to Pará).

    [GB]
    Habit
    Perennial. Culms 20-25(-50) cm long. Lateral branches lacking. Leaf-sheath oral hairs bearded. Ligule a fringe of hairs; 0.6-0.8 mm long. Collar glabrous. Leaf-blades straight; conduplicate (commonly), or flat; 6-14 cm long; 1.8-2 mm wide. Leaf-blade surface scabrous; rough on both sides; glabrous, or pilose; sparsely hairy; hairy adaxially. Leaf-blade apex acute; antrorsely scabrous.
    Inflorescences
    Inflorescence a panicle. Panicle capitate; 2.5-4 cm long.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets subterete; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; straight; 0.2 mm long; pilose; obtuse.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets subterete; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; straight; 0.2 mm long; pilose; obtuse.
    Glume
    Glumes persistent; dissimilar (lower longer than upper sometimes subequal). Lower glume lanceolate; 7.5-9.2 mm long; 1 -veined. Lower glume primary vein scabrous. Lower glume surface scabrous (denselly); rough generally. Lower glume apex acute (shortly awned); muticous, or mucronate. Upper glume lanceolate; 7-9 mm long; 1 -veined. Upper glume surface asperulous. Upper glume apex entire; acute (shortly awned).
    Florets
    Fertile lemma subterete; 4-5.5 mm long; without keel; rounded throughout; 3 -veined. Lemma surface scabrous; rough above; without grooves. Lemma margins involute. Lemma apex awned; 3 -awned. Principal lemma awn straight; ascending; simple at base; with 7-14 mm long limb; without a column. Lateral lemma awns ascending; 5.5-12 mm long; shorter than principal.
    Distribution
    South America: Brazil.
    Reference
    Aristideae. LO-W 1993.

    Images

    Distribution

    Native to:

    Brazil North, Brazil Northeast

    Aristida elliptica (Nees) Kunth appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1993 Martius [s.n.], Brazil K000001299 Unknown type material
    Eiten, G. [4872], Brazil K001101363
    Cavalcanti, G. [38], Brazil K001101362

    First published in Enum. Pl. 1: 193 (1833)

    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