1. Family: Poaceae Barnhart
    1. Genus: Guadua Kunth
      1. Guadua weberbaueri Pilg.

        This species is accepted, and its native range is W. South America to N. Brazil.

    [GB]
    Habit
    Perennial; caespitose. Rhizomes short; pachymorph. Culms erect; 1000-1800 cm long; woody; with root thorns from the nodes. Culm-internodes thin-walled. Lateral branches dendroid. Bud complement 1. Branch complement three; thinner than stem. Culm-sheaths without auricles. Ligule an eciliate membrane. Leaf-blade base with a brief petiole-like connection to sheath; petiole 0.5-0.6 cm long. Leaf-blades lanceolate, or elliptic; 13-17 cm long; 20-35 mm wide. Leaf-blade apex acuminate.
    Inflorescences
    Synflorescence bractiferous; scanty; with glumaceous subtending bracts; with axillary buds at base of spikelet; prophyllate below lateral spikelets. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 3 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 17-25 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes obscured by lemmas.
    Fertile
    Spikelets comprising 3 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 17-25 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes obscured by lemmas.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume ovate; 0.25 length of upper glume. Lower glume surface pubescent. Lower glume apex acute. Upper glume ovate; 0.5 length of spikelet; coriaceous; without keels. Upper glume surface pubescent. Upper glume apex acute.
    Florets
    Fertile lemma ovate; 13-16 mm long; coriaceous; without keel; 9-13 -veined. Lemma surface pubescent. Lemma apex acute. Palea 1 length of lemma. Palea keels winged; conspicuously winged. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 3; veined. Anthers 6. Stigmas 3.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    South America: western South America and Brazil.
    Reference
    Bambuseae. Gr Peru 1995.

    Images

    Distribution

    Native to:

    Bolivia, Brazil North, Colombia, Ecuador, Peru

    Guadua weberbaueri Pilg. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jul 1, 2003 McClure, F.A. [21452], Peru K000458166
    Jul 1, 2003 Stannard, B.L. [451], Venezuela K000458162
    Jul 1, 2003 Stannard, B.L. [451], Venezuela K000458163
    Jul 1, 2003 Calderon, C.E. [2286], Brazil K000947978
    Jul 1, 2003 Kayap, R. [816], Peru K000458165
    Jul 1, 2003 Bruderreck, B. [43], Bolivia K000458169
    Jul 1, 2003 Bruderreck, B. [43], Bolivia K000458170
    Nov 1, 1994 Calderon, C.E. [2356], Brazil K000947979
    Jan 1, 1990 Nee, M. [34188], Bolivia K000458167
    Jan 1, 1990 Nee, M. [34188], Bolivia K000458168
    Jan 1, 1990 Gentry, A.H. [27159], Peru K000458164

    First published in Repert. Spec. Nov. Regni Veg. 1: 152 (1905)

    Accepted by

    • Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Jørgensen, P.M. & León-Yánez, S. (eds.) (1999). Catalogue of the Vascular Plants of Ecuador Monographs in Systematic Botany from the Missouri Botanical Garden 75: i-viii, 1-1181.
    • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.
    • Brako, L. & Zarucchi, J.L. (1993). Catalogue of the Flowering Plants and Gymnosperms of Peru Monographs in Systematic Botany from the Missouri Botanical Garden 45: i-xl, 1-1286.

    Literature

    Kew Backbone Distributions
    • Forzza, R.C. & al. (2013). Lista de Espécies da Flora do Brasil http://floradobrasil.jbrj.gov.br/2010/.
    • Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.
    • Jørgensen, P.M. & León-Yánez, S. (eds.) (1999). Catalogue of the Vascular Plants of Ecuador Monographs in Systematic Botany from the Missouri Botanical Garden 75: i-viii, 1-1181.
    • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.
    • Brako, L. & Zarucchi, J.L. (1993). Catalogue of the Flowering Plants and Gymnosperms of Peru Monographs in Systematic Botany from the Missouri Botanical Garden 45: i-xl, 1-1286.

    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 2018. 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 2018. 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