1. Family: Poaceae Barnhart
    1. Genus: Chimonobambusa Makino
      1. Chimonobambusa pachystachys Hsueh & T.P.Yi

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

    [GB]
    Habit
    Perennial. Rhizomes elongated; leptomorph. Culms erect; 300-600 cm long; 10-30 mm diam.; woody; with root thorns from the nodes. Culm-internodes quadrangular; thick-walled; 15-22 cm long; smooth; distally hispid. Culm-nodes swollen; pubescent. Lateral branches dendroid. Branch complement three; in a horizontal line; with subequal branches; thinner than stem. Culm-sheaths tardily deciduous; chartaceous; green and white; distinctly mottled with last colour; hispid; with tawny hairs; without auricles; glabrous on shoulders. Culm-sheath ligule entire. Culm-sheath blade linear; demarcated but persistent; erect; 0.3-0.4 cm long. Leaves cauline; 1-3 per branch. Leaf-sheaths glabrous on surface. Leaf-sheath oral hairs scanty. Ligule an eciliate membrane; truncate. Collar with external ligule. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades deciduous at the ligule; lanceolate; 10-18 cm long; 11-21 mm wide. Leaf-blade venation with 8-12 secondary veins; with distinct cross veins. Leaf-blade apex acuminate.
    Inflorescences
    Synflorescence bractiferous; paniculate; with glumaceous subtending bracts; with axillary buds at base of spikelet. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 4-6 fertile florets; with diminished florets at the apex. Spikelets linear; laterally compressed; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 4-6 fertile florets; with diminished florets at the apex. Spikelets linear; laterally compressed; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes several; 3 empty glumes; persistent; similar; shorter than spikelet. Lower glume lanceolate; membranous; without keels. Lower glume apex acute. Upper glume lanceolate; membranous; without keels. Upper glume apex acute.
    Florets
    Fertile lemma oblong; chartaceous; without keel; 5-7 -veined. Lemma lateral veins with cross-veins. Lemma surface glabrous, or puberulous. Lemma apex apiculate. Palea 1 length of lemma. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 3; membranous; ciliate. Anthers 3. Stigmas 2.
    Fruits
    Caryopsis with fleshy pericarp; oblong. Endosperm evanescent.
    Distribution
    Asia-temperate: China.
    Reference
    Bambuseae. Wen 1996.

    Distribution

    Native to:

    China South-Central

    Chimonobambusa pachystachys Hsueh & T.P.Yi appears in other Kew resources:

    First published in J. Yunnan Forest. Coll. 1982(1): 33 (1982)

    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