1. Family: Poaceae Barnhart
    1. Genus: Chusquea Kunth
      1. Chusquea longifolia Swallen

        This species is accepted, and its native range is Mexico (Chiapas) to Guatemala.

    [GB]
    Habit
    Perennial; caespitose. Rhizomes short; pachymorph. Culms geniculately ascending; 800-1000 cm long; 20-30 mm diam.; woody; without nodal roots. Culm-internodes terete; solid; smooth, or scaberulous. Lateral branches dendroid. Branch complement many; in a clump; with 1 branch dominant; thinner than stem. Culm-sheaths without auricles. Culm-sheath ligule 1.5-2 mm high. Culm-sheath blade lanceolate; erect; 13 cm long; attenuate. Leaf-sheaths outer margin hairy. Ligule an eciliate membrane; 1-1.5 mm long. Collar with external ligule. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades deciduous at the ligule; linear; 14-27 cm long; 7-12 mm wide. Leaf-blade venation without cross veins. Leaf-blade surface glabrous, or pubescent; hairy abaxially.
    Inflorescences
    Inflorescence a panicle; embraced at base by subtending leaf. Panicle contracted; linear; secund; 8-17 cm long; 1-1.5 cm wide. Primary panicle branches appressed; bearing spikelets almost to the base. Panicle branches angular; scabrous. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 2 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; laterally compressed; 9-15 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 2 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; laterally compressed; 9-15 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; similar; shorter than spikelet; thinner than fertile lemma. Lower glume ovate; 1-1.3 mm long; 0.7-0.8 length of upper glume; membranous; without keels; 0 -veined. Lower glume lateral veins absent. Lower glume apex obtuse, or acute. Upper glume ovate; 1.4-1.8 mm long; 0.1-0.2 length of adjacent fertile lemma; without keels; 0 -veined. Upper glume primary vein absent. Upper glume lateral veins absent. Upper glume apex obtuse, or acute.
    Florets
    Basal sterile florets dissimilar; barren; without significant palea; attached to and deciduous with the fertile. Lemma of lower sterile floret similar to fertile lemma; ovate; 0.4-0.5 length of spikelet; chartaceous; 7-9 -veined; acute. Lemma of upper sterile floret ovate; 8-13 mm long; chartaceous; acute; awned. Awn of upper sterile floret 1-3 mm long. Fertile lemma ovate; 8-13 mm long; coriaceous; without keel; 7 -veined. Lemma apex acute; awned; 1 -awned. Principal lemma awn 1-1.5 mm long overall. Palea 1-1.1 length of lemma; 6 -veined. Palea keels approximate.
    Flowers
    Lodicules 3; obovate; membranous; veined; ciliate. Anthers 3; 5.1-5.4 mm long; yellow. Stigmas 2.
    Fruits
    Caryopsis with adherent pericarp; oblong; 9 mm long; apex unappendaged.
    Distribution
    North America: Mexico. South America: Mesoamericana.
    Reference
    Bambuseae. Pohl.

    Images

    Distribution

    Native to:

    Guatemala, Mexico Southeast

    Chusquea longifolia Swallen appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1988 Matuda, E. [2373], Mexico K000433235 isotype

    First published in J. Washington Acad. Sci. 30: 210 (1940)

    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.
    • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
    • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.

    Literature

    Kew Backbone Distributions
    • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
    • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.

    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 2019. 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 2019. 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