1. Family: Poaceae Barnhart
    1. Genus: Acidosasa C.D.Chu & C.S.Chao
      1. Acidosasa purpurea (Hsueh & T.P.Yi) Keng f.

        This species is accepted, and its native range is S. China.

    [GB]
    Habit
    Perennial. Rhizomes elongated; leptomorph. Culms erect at the tip; 300-1000 cm long; 20-80 mm diam.; woody; 20-22 -noded. Culm-internodes terete; thick-walled; 20-45 cm long; mid-green, or purple; distally mealy. Culm-nodes swollen. Lateral branches dendroid. Bud complement 1. Branch complement three. Culm-sheaths deciduous; coriaceous; hispid; with tawny hairs; without auricles; glabrous on shoulders. Culm-sheath ligule 1-2 mm high; dentate. Culm-sheath blade lanceolate; demarcated but persistent; erect; glabrous on surface. Leaves 4-7 per branch. Leaf-sheaths glabrous on surface. Leaf-sheath oral hairs scanty, or lacking. Leaf-sheath auricles absent. Ligule an eciliate membrane; 1.5-4 mm long. Leaf-blade base with a brief petiole-like connection to sheath; petiole 0.3-0.8 cm long. Leaf-blades lanceolate; 12-21 cm long; 12-26 mm wide. Leaf-blade venation with 6-14 secondary veins; with distinct cross veins. Leaf-blade surface glabrous, or pubescent; sparsely hairy; hairy abaxially. Leaf-blade margins scaberulous. Leaf-blade apex attenuate.
    Inflorescences
    Inflorescence comprising only a few spikelets; comprising 1-3 fertile spikelets. Spikelets solitary. Fertile spikelets sessile, or pedicelled. Pedicels 0-23 mm long; pubescent; hairy above.
    Spikelets
    Spikelets comprising 3-15 fertile florets; with diminished florets at the apex. Spikelets linear; laterally compressed; 19-92 mm long; 3-7 mm wide; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 2-5 mm long; pubescent.
    Fertile
    Spikelets comprising 3-15 fertile florets; with diminished florets at the apex. Spikelets linear; laterally compressed; 19-92 mm long; 3-7 mm wide; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 2-5 mm long; pubescent.
    Glume
    Glumes two; persistent; similar; shorter than spikelet. Lower glume ovate; 7-11 mm long; chartaceous; without keels. Lower glume surface puberulous. Lower glume apex acute. Upper glume lanceolate; 11-15 mm long; chartaceous; without keels. Upper glume surface puberulous. Upper glume apex acute.
    Florets
    Fertile lemma ovate; 15-20 mm long; chartaceous; without keel. Lemma surface puberulous. Lemma margins ciliate. Lemma apex acute. Palea 6-11 mm long. Palea keels ciliate. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 3; veined; glabrous. Anthers 6; 4-5 mm long; yellow. Stigmas 3. Ovary glabrous.
    Fruits
    Caryopsis with adherent pericarp; apex unappendaged.
    Distribution
    Asia-temperate: China.
    Reference
    Bambuseae. Hsueh & Yi 2002.

    Distribution

    Native to:

    China South-Central, China Southeast

    Acidosasa purpurea (Hsueh & T.P.Yi) Keng f. appears in other Kew resources:

    First published in J. Wuhan Bot. Res. 4: 335 (1986)

    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