1. Family: Poaceae Barnhart
    1. Genus: Psammochloa Hitchc.
      1. Psammochloa villosa (Trin.) Bor

        This species is accepted, and its native range is Mongolia to N. China.

    [GB]
    Habit
    Perennial. Rhizomes elongated. Butt sheaths coriaceous; persistent and investing base of culm; with fibrous dead sheaths. Culms scandent; 50-150 cm long. Lateral branches lacking. Ligule an eciliate membrane; 3-8 mm long. Leaf-blades convolute; 30-50 cm long; 5-10 mm wide; stiff. Leaf-blade surface ribbed; pubescent; densely hairy; hairy adaxially. Leaf-blade margins ciliate. Leaf-blade apex attenuate.
    Inflorescences
    Inflorescence a panicle. Panicle contracted; linear; 30-60 cm long; 2-4 cm wide. Primary panicle branches bearing spikelets almost to the base. Panicle branches smooth, or scabrous; glabrous, or pubescent. Spikelets solitary. Fertile spikelets pedicelled. Pedicels cuneate; 5-10 mm long; scabrous.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed, or subterete; 10-11 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pilose; obtuse.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed, or subterete; 10-11 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 mm long; 0.9 length of upper glume; membranous; 1-keeled; keeled above; 5-7 -veined. Lower glume surface scabrous. Lower glume apex truncate, or obtuse. Upper glume lanceolate; 11 mm long; 1.1 length of adjacent fertile lemma; membranous; with hyaline margins; 1-keeled; keeled above; 5-7 -veined. Upper glume surface scabrous. Upper glume apex truncate, or obtuse.
    Florets
    Fertile lemma elliptic; subterete; 10 mm long; chartaceous; without keel; 9 -veined. Lemma surface villous. Lemma margins flat; exposing palea. Lemma hairs white; 2.5 mm long. Lemma apex dentate; 2 -fid; muticous, or awned; 1 -awned. Principal lemma awn from a sinus; 0-10 mm long overall; deciduous. Palea elliptic; 1 length of lemma; chartaceous; 5-7 -veined; without keels. Palea surface pilose. Palea apex truncate.
    Flowers
    Lodicules 3; oblanceolate; membranous; ciliate; obtuse. Anthers 3; 7.5 mm long; anther tip penicillate. Stigmas 2.
    Distribution
    Asia-temperate: China and Mongolia.
    Reference
    Stipeae. Bor.

    Images

    Distribution

    Native to:

    China North-Central, Inner Mongolia, Mongolia, Qinghai, Xinjiang

    Psammochloa villosa (Trin.) Bor appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Chaney, R.W. [502], Mongolia K000912773 isotype
    Chaney, R.W. [443], Mongolia K000912774

    First published in Kew Bull. 6: 191 (1951)

    Accepted by

    • Grubov, V.I. (2008). Key to the vascular plants of Mongolia (with an atlas) 2: 1-503. Academy of Sciences, Mongolian People's Republic, Ulaan Bator.
    • 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
    • Grubov, V.I. (2008). Key to the vascular plants of Mongolia (with an atlas) 2: 1-503. Academy of Sciences, Mongolian People's Republic, Ulaan Bator.
    • 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