1. Family: Poaceae Barnhart
    1. Genus: Oligostachyum Z.P.Wang & G.H.Ye
      1. Oligostachyum nuspiculum (McClure) Z.P.Wang & G.H.Ye

        This species is accepted, and its native range is Hainan.

    [GB]
    Habit
    Perennial. Culms erect; 200 cm long; 10 mm diam.; woody. Culm-internodes terete; thin-walled; distally glabrous. Culm-nodes swollen; glabrous. Lateral branches dendroid. Branch complement three, or several; with 1 branch dominant; thinner than stem. Leaves cauline. Leaf-sheaths striately veined; glabrous on surface. Leaf-sheath oral hairs lacking. Ligule a ciliolate membrane; pubescent on abaxial surface. Leaf-blade base simple; with a brief petiole-like connection to sheath; petiole 0.1-0.3 cm long; petiole glabrous. Leaf-blades linear, or lanceolate; 5-14.5 cm long; 5-10 mm wide. Leaf-blade margins scabrous. Leaf-blade apex acuminate.
    Inflorescences
    Synflorescence bractiferous; fasciculate; with spathaceous subtending bracts; bracts 50 mm long; without axillary buds at base of spikelet; with ultimate bract subtending a compact bracteolate fascicle of spikelets; prophyllate below lateral spikelets. Fertile spikelets pedicelled. Pedicels 12-20 mm long; smooth; glabrous.
    Spikelets
    Spikelets comprising 2 basal sterile florets; 6-10 fertile florets; with diminished florets at the apex. Spikelets lanceolate; laterally compressed; 50-70 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 6 mm long; pilose; hairy at tip.
    Fertile
    Spikelets comprising 2 basal sterile florets; 6-10 fertile florets; with diminished florets at the apex. Spikelets lanceolate; laterally compressed; 50-70 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 6 mm long; pilose; hairy at tip.
    Glume
    Glumes two; 2 empty glumes; persistent; similar; shorter than spikelet. Lower glume elliptic; 3.5-5 mm long; chartaceous; 1-keeled; keeled above. Lower glume surface smooth, or asperulous. Lower glume apex obtuse; mucronate. Upper glume elliptic; 5-6 mm long; chartaceous; without keels. Upper glume surface smooth, or asperulous. Upper glume apex acute; mucronate.
    Florets
    Lemma of lower sterile floret 7.5-10 mm long. Fertile lemma elliptic; 12 mm long; chartaceous; without keel. Lemma surface asperulous. Lemma apex acute; awned; 1 -awned. Principal lemma awn 1-2 mm long overall. Palea 9-9.5 mm long. Palea keels ciliate; adorned above. Palea surface glabrous. Palea apex obtuse. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 3; ciliate. Anthers 3. Stigmas 3. Ovary umbonate; glabrous.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Asia-temperate: China.
    Reference
    Bambuseae. McClure 1996.

    Images

    Distribution

    Oligostachyum nuspiculum (McClure) Z.P.Wang & G.H.Ye appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    McClure, F.A. [20060], China K000912147 Unknown type material

    First published in J. Nanjing Univ., Nat. Sci. Ed. 1982(1): 98 (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

    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 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