1. Family: Poaceae Barnhart
    1. Genus: Eremocaulon Soderstr. & Londoño
      1. Eremocaulon amazonicum Londoño

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

    [GB]
    Habit
    Perennial. Culms leaning; 300-600 cm long; 10-30 mm diam.; woody. Culm-internodes terete; thick-walled, or solid; 20-30 cm long; distally pubescent. Culm-nodes without obvious supra-nodal ridge. Lateral branches dendroid; arising from mid culm. Branch complement three, or several; with 1 branch dominant. Culm-sheaths persistent; 7.5-19 cm long; 1.5 times as long as wide; pubescent; auriculate; with 5-20 mm high auricles; with 3-5 mm wide auricles; setose on shoulders; shoulders with 20-30 mm long hairs. Culm-sheath ligule 2-3 mm high. Culm-sheath blade triangular; erect, or spreading, or reflexed; 5.5-12 cm long; 7-15 mm wide; pubescent; mucronate. Leaves cauline; 5-11 per branch. Leaf-sheaths pubescent; outer margin hairy. Leaf-sheath oral hairs setose; curly; 5-25 mm long. Leaf-sheath auricles falcate; 2-6 mm long. Ligule an eciliate membrane; 0.8-2 mm long; bilobed. Collar with external ligule. Leaf-blade base with a brief petiole-like connection to sheath; petiole 0.1-0.4 cm long; petiole pubescent. Leaf-blades deciduous at the ligule; linear, or lanceolate; 7-33 cm long; 4-17 mm wide. Leaf-blade midrib conspicuous. Leaf-blade venation with 8-22 secondary veins. Leaf-blade surface pilose; sparsely hairy; hairy adaxially.
    Inflorescences
    Synflorescence bractiferous; clustered at the nodes; in stellate clusters; 2-2.8 cm long; glabrous on internodes; with glumaceous subtending bracts; with axillary buds at base of spikelet; prophyllate below lateral spikelets; 30 cm long overall. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 1-3 fertile florets; with diminished florets at the apex. Spikelets lanceolate; laterally compressed; 10-17 mm long; 4-6 mm wide; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 1-1.5 mm long; pubescent.
    Fertile
    Spikelets comprising 1-3 fertile florets; with diminished florets at the apex. Spikelets lanceolate; laterally compressed; 10-17 mm long; 4-6 mm wide; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 1-1.5 mm long; pubescent.
    Glume
    Glumes several; comprising 0-4 gemmiferous bracts; 0-2 empty glumes; persistent; similar; shorter than spikelet; firmer than fertile lemma. Upper glume ovate; 3.5-7 mm long; coriaceous; without keels; 5-12 -veined. Upper glume surface pubescent. Upper glume margins ciliate. Upper glume mucronate.
    Florets
    Fertile lemma ovate; 7-11 mm long; 3.5-6 mm wide; chartaceous; without keel; 10-17 -veined. Lemma surface pubescent. Lemma margins ciliolate; hairy above. Lemma apex mucronate. Palea 9-14 mm long; chartaceous; 11-15 -veined; 2-keeled. Palea keels winged; narrowly winged. Palea surface pilose; hairy on margins. Apical sterile florets 1 in number; rudimentary.
    Flowers
    Lodicules 3; 1.5-2.5 mm long. Anthers 6; 2-5 mm long. Stigmas 2-3. Ovary pubescent on apex.
    Fruits
    Caryopsis with adherent pericarp; ellipsoid; 5-6 mm long. Hilum linear; 1 length of caryopsis.
    Distribution
    South America: Brazil.
    Reference
    Bambuseae. Londono 2003.

    Images

    Distribution

    Native to:

    Brazil North

    Eremocaulon amazonicum Londoño appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jul 1, 2003 Calderón, C.E. [2771], Brazil K000433766
    Jul 1, 2003 Calderón, C.E. [2771], Brazil K000433767
    Jul 1, 2003 Calderón, C.E. [2771], Brazil K000433768
    Jul 1, 2003 Calderón, C.E. [2926], Brazil K000433769
    Jul 1, 2003 Calderón, C.E. [2926], Brazil K000433770
    Jul 1, 2003 Calderón, C.E. [2926], Brazil K000433771
    Jul 1, 2003 Calderón, C.E. [2733], Brazil K000433772
    Jul 1, 2003 Calderón, C.E. [2733], Brazil K000433773
    Jul 1, 2003 Calderón, C.E. [2756], Brazil K000433774
    Jul 1, 2003 Calderón, C.E. [2756], Brazil K000433775
    Jul 1, 2003 Calderón, C.E. [2756], Brazil K000433776
    Jul 1, 2003 Calderón, C.E. [2911], Brazil K000433779
    Jul 1, 2003 Calderón, C.E. [2911], Brazil K000433780
    Jul 1, 2003 Calderón, C.E. [2911], Brazil K000433781
    Jul 1, 2000 Krukoff, B.A. [7273], Amazonas K000433081 isotype
    Jul 1, 2000 Krukoff, B.A. [7273], Amazonas K000433082 isotype
    Jul 1, 2000 Calderón, C.E. [2291], Brazil K000433777
    Jul 1, 2000 Calderón, C.E. [2291], Brazil K000433778

    First published in Syst. Bot. 27: 716 (2002)

    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