1. Family: Poaceae Barnhart
    1. Genus: Bonia Balansa
      1. Bonia saxatilis (L.C.Chia, H.L.Fung & Y.L.Yang) N.H.Xia

        This species is accepted, and its native range is China (Guangdong, Guangxi).

    [GB]
    Habit
    Perennial; caespitose. Rhizomes short; pachymorph. Culms erect; 100-400 cm long; 4-8 mm diam.; woody. Culm-internodes terete; thin-walled, or thick-walled, or solid; 25-40 cm long; distally glabrous. Lateral branches dendroid. Culm-sheaths pubescent; with appressed hairs; with tawny hairs; auriculate; setose on shoulders; shoulders with 10 mm long hairs. Culm-sheath ligule ciliolate. Culm-sheath blade lanceolate; erect, or reflexed. Leaves cauline. Leaf-sheaths glabrous on surface. Leaf-sheath oral hairs setose; 10 mm long. Leaf-sheath auricles falcate. Ligule a ciliolate membrane. Collar with external ligule. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades oblong; 20-35 cm long; 35-60 mm wide. Leaf-blade apex acuminate.
    Inflorescences
    Synflorescence bractiferous; clustered at the nodes; in untidy tufts; with spathaceous subtending bracts; with axillary buds at base of spikelet; prophyllate below lateral spikelets; leafless between clusters.
    Spikelets
    Spikelets comprising 5-9 fertile florets; with diminished florets at the apex. Spikelets linear; laterally compressed; 20-30 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite; 7-10 mm long.
    Fertile
    Spikelets comprising 5-9 fertile florets; with diminished florets at the apex. Spikelets linear; laterally compressed; 20-30 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite; 7-10 mm long.
    Glume
    Glumes two. Lower glume lanceolate; 10 mm long; chartaceous; 11 -veined. Lower glume apex mucronate. Upper glume lanceolate; 12 mm long; chartaceous; 11 -veined. Upper glume mucronate.
    Florets
    Fertile lemma lanceolate; 13 mm long; without keel; 9-11 -veined. Lemma apex apiculate. Palea 10 -veined. Palea surface pilose; hairy on back. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 3; 1 mm long; membranous. Anthers 6; 2-3 mm long. Stigmas 3.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Asia-temperate: China.
    Reference
    Bambuseae. Chia et al 2002.

    Distribution

    Native to:

    China Southeast

    Bonia saxatilis (L.C.Chia, H.L.Fung & Y.L.Yang) N.H.Xia appears in other Kew resources:

    First published in Kew Bull. 51: 567 (1996)

    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 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