1. Family: Poaceae Barnhart
    1. Genus: Chimonobambusa Makino
      1. Chimonobambusa utilis (Keng) Keng f.

        This species is accepted, and its native range is China (NE. Yunnan, Sichuan, Guizhou).

    [GB]
    Habit
    Perennial. Rhizomes elongated; leptomorph. Culms erect; 300 cm long; 10 mm diam.; woody; with root thorns from the nodes. Culm-internodes quadrangular; thick-walled; purple; smooth; distally glabrous, or pubescent. Lateral branches dendroid. Branch complement three, or several. Leaves cauline. Leaf-sheaths 4.5-5 cm long. Leaf-sheath oral hairs lacking. Ligule a ciliolate membrane; 1-2 mm long; pubescent on abaxial surface; truncate, or obtuse. Collar with external ligule. Leaf-blade base with a brief petiole-like connection to sheath; petiole 0.2-0.5 cm long; petiole glabrous. Leaf-blades lanceolate, or oblong; 5.5-12.5 cm long; 12-23 mm wide; dark green and grey-green; discolorous with last colour beneath. Leaf-blade venation with 10-14 secondary veins; with distinct cross veins. Leaf-blade margins scabrous. Leaf-blade apex acuminate.
    Inflorescences
    Synflorescence bractiferous; scanty; with spathaceous subtending bracts; bracts 8-20 mm long; without axillary buds at base of spikelet; without prophylls. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 4-6 fertile florets; with diminished florets at the apex. Spikelets linear; laterally compressed; 25-45 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 4-6 mm long; glabrous.
    Fertile
    Spikelets comprising 4-6 fertile florets; with diminished florets at the apex. Spikelets linear; laterally compressed; 25-45 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 4-6 mm long; glabrous.
    Glume
    Glumes several; 1-3 empty glumes; persistent; similar; shorter than spikelet. Lower glume oblong; 6-9 mm long; membranous; without keels; 7-9 -veined. Lower glume apex acute. Upper glume oblong; 6-9 mm long; membranous; without keels; 7-9 -veined. Upper glume apex acute.
    Florets
    Fertile lemma ovate; 10-12 mm long; membranous; without keel; 9-11 -veined. Lemma apex acute. Palea 8-10 mm long; 6-10 -veined. Palea apex entire, or dentate; 2 -fid; acute. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 3; 2-3 mm long; glabrous, or ciliate. Anthers 3; 5-6 mm long. Stigmas 2. Ovary glabrous.
    Fruits
    Caryopsis with adherent pericarp; ellipsoid; 10-15 mm long.
    Distribution
    Asia-temperate: China.
    Reference
    Bambuseae. Keng 1996.

    Distribution

    Native to:

    China South-Central

    Chimonobambusa utilis (Keng) Keng f. appears in other Kew resources:

    First published in Techn. Bull. Natl. Forest. Res. Bur. 8: 15 (1948)

    Accepted by

    • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.
    • 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
    • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.

    Sources

    GrassBase - The Online World Grass Flora
    http://creativecommons.org/licenses/by-nc-sa/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