1. Family: Poaceae Barnhart
    1. Colanthelia McClure & E.W.Sm.

      1. This genus is accepted, and its native range is SE. & S. Brazil to NE. Argentina.

    [GB]

    nonem

    Habit
    Perennial. Rhizomes short; pachymorph. Culms erect (1/6), or decumbent (1/6), or scandent (5/6); 50-418-1000 cm long; woody; rooting from lower nodes (1/1). Culm-internodes terete. Culm-nodes with distinct supra-nodal ridge (5/5). Lateral branches dendroid. Branch complement several; in a horizontal line; with subequal branches (1), or 1 branch dominant (6); thinner than stem. Culm-sheaths deciduous but leaving a persistent girdle (2/2); without auricles (2/2). Culm-sheath blade linear (1/1), or lanceolate (1/1). Ligule a ciliolate membrane (5), or absent (2). Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades linear (1), or lanceolate. Leaf-blade midrib indistinct (1/1).
    Inflorescences
    Inflorescence a panicle (6), or composed of racemes (1); terminal (6), or terminal and axillary (1). Panicle open (6/6). Racemes single (1/1); bearing 3-4 fertile spikelets on each (1/1). Spikelet packing distant (1/1). Spikelets deflexed (1/1); solitary. Fertile spikelets sessile (1), or pedicelled (6).
    Spikelets
    Spikelets comprising 0 basal sterile florets (1/2), or 1 basal sterile florets (2/2); 2 fertile florets (2), or 3 fertile florets (4), or 4 fertile florets (3), or 5-7 fertile florets (2), or 8 fertile florets (1), or 9-10 fertile florets (2), or 11-12 fertile florets (1); with a barren rhachilla extension (1), or with diminished florets at the apex (6). Spikelets linear (5), or lanceolate (1), or oblong (1); laterally compressed; 9-40-115 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 0 basal sterile florets (1/2), or 1 basal sterile florets (2/2); 2 fertile florets (2), or 3 fertile florets (4), or 4 fertile florets (3), or 5-7 fertile florets (2), or 8 fertile florets (1), or 9-10 fertile florets (2), or 11-12 fertile florets (1); with a barren rhachilla extension (1), or with diminished florets at the apex (6). Spikelets linear (5), or lanceolate (1), or oblong (1); laterally compressed; 9-40-115 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes both absent or obscure (1), or two (6); persistent (6/6); shorter than spikelet (6/6). Lower glume oblong (6/6), or ovate (1/6); 0.5-0.71-1 length of upper glume; chartaceous (6/6); without keels (4/6), or 1-keeled (2/6); 1-2 -veined (1/4), or 3 -veined (3/4), or 5 -veined (1/4). Lower glume lateral veins absent (1/6), or obscure (1/6), or distinct (5/6). Lower glume surface glabrous (3/6), or pubescent (2/6), or hirsute (1/6). Lower glume apex obtuse (2/6), or acute (5/6); muticous (5/6), or mucronate (1/6). Upper glume oblong (6/6), or ovate (1/6); 0.5-0.704-1 length of adjacent fertile lemma; chartaceous (6/6); without keels (4/6), or 1-keeled (2/6); 1-2 -veined (1/4), or 3 -veined (2/4), or 5 -veined (2/4). Upper glume surface glabrous (3/6), or pubescent (2/6), or hirsute (1/6). Upper glume apex obtuse (2/6), or acute (5/6); muticous (5/6), or mucronate (1/6).
    Florets
    Basal sterile florets barren (2/2); without significant palea (2/2). Lemma of lower sterile floret oblong (1/1); 7 -veined (1/1); obtuse (1/1). Fertile lemma lanceolate (1), or elliptic (4), or oblong (1), or ovate (1); chartaceous (2/2); keeled (4/4); 5 -veined (3/5), or 6 -veined (2/5), or 7 -veined (4/5). Lemma lateral veins prominent (1/1). Lemma apex obtuse (3/6), or acute (2/6), or acuminate (1/6); muticous (6), or mucronate (2). Palea 0.9-0.95-1 length of lemma; hyaline (1), or membranous (6); 2 -veined (3/5), or 4 -veined (1/5), or 6 -veined (1/5). Palea keels separated (6), or contiguous above a sulcus (1); smooth (6), or scaberulous (1); eciliate (4), or ciliolate (1), or ciliate (2). Palea apex entire (1/2), or dentate (1/2); muticous (6), or with excurrent keel veins (1). Apical sterile florets resembling fertile though underdeveloped (6/6).
    Flowers
    Lodicules 3; membranous (5/5); glabrous (1), or ciliate (6). Anthers 3. Stigmas 2.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    South America.

    Images

    Distribution

    Native to:

    Argentina Northeast, Brazil South, Brazil Southeast

    Colanthelia McClure & E.W.Sm. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Glaziou, A. [18648], Brazil K001106377

    First published in Smithsonian Contr. Bot. 9: 77 (1973)

    Accepted by

    • Govaerts, R.H.A. (2011). World checklist of selected plant families published update Facilitated by the 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