1. Family: Poaceae Barnhart
    1. Genus: Sinochasea Keng
      1. Sinochasea trigyna Keng

        This species is accepted, and its native range is Qinghai to Himalaya.

    [GB]
    Habit
    Perennial; caespitose. Rhizomes short. Butt sheaths persistent and investing base of culm; with compacted dead sheaths. Culms erect; 45 cm long; 1.5 mm diam. Leaves mostly basal. Ligule an eciliate membrane; 0.5-1 mm long. Leaf-blades involute; 6.6-16 cm long; 1-3 mm wide.
    Inflorescences
    Inflorescence a panicle. Panicle contracted; lanceolate; 7-8.5 cm long; 1 cm wide. Primary panicle branches 1-3 cm long; bearing 4-7 fertile spikelets on each lower branch. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform; 0.6-5 mm long.
    Spikelets
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 10-12 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pilose; obtuse.
    Fertile
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 10-12 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pilose; obtuse.
    Glume
    Glumes persistent; similar; exceeding apex of florets; thinner than fertile lemma; gaping. Lower glume lanceolate; 10-12 mm long; 1 length of upper glume; herbaceous; 1-keeled; 5 -veined. Lower glume apex acuminate. Upper glume lanceolate; 10-12 mm long; 1.4-1.5 length of adjacent fertile lemma; herbaceous; with hyaline margins; 1-keeled; 5 -veined. Upper glume apex acuminate.
    Florets
    Fertile lemma oblong; 7-8 mm long; chartaceous; without keel; 5 -veined. Lemma surface villous. Lemma hairs 2 mm long. Lemma apex lobed; 2 -fid; with linear lobes; incised 0.3 of lemma length; awned; 1 -awned. Principal lemma awn from a sinus; geniculate; 10-12 mm long overall; with twisted column. Palea lanceolate; 0.8 length of lemma; 2 -veined; without keels. Palea surface villous. Palea apex dentate. Rhachilla extension 0.2 length of fertile floret; glabrous, or pilose.
    Flowers
    Lodicules 2, or 3; lanceolate; membranous; acuminate. Anthers 3; 1 mm long. Stigmas 3. Styles free to the base. Ovary glabrous.
    Fruits
    Hilum linear.
    Distribution
    Asia-temperate: China. Asia-tropical: India.
    Reference
    Stipeae. WDC.

    Images

    Distribution

    Native to:

    East Himalaya, Nepal, Qinghai, Tibet

    Sinochasea trigyna Keng appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1987 Dunbar [18], Bhutan Trikeraia oreophila K000032118 holotype

    First published in J. Washington Acad. Sci. 48: 115 (1958)

    Accepted by

    • Sclovich, S.E., Giussani, L.M., Ciadella, A.M. & Sede, S.M. (2015). Phylogenetic analysis of Jarava (Poaceae, Pooideae, Stipeae) and related genera: testing the value of the awn indumendum in the circumscription of Jarava Plant Systematics and Evolution 301: 1625-1641.
    • 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.
    • Noltie, H.J. (2000). Flora of Bhutan 3(2): 457-883. Royal Botanic Gardens, Edinburgh.

    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