1. Family: Poaceae Barnhart
    1. Genus: Rostraria Trin.
      1. Rostraria clarkeana (Domin) Holub

        This species is accepted, and its native range is W. Himalaya.

    [GB]
    Habit
    Annual; caespitose. Culms erect, or geniculately ascending; 10-25 cm long. Ligule an eciliate membrane. Leaf-blades 4-8 cm long; 1-3 mm wide; flaccid. Leaf-blade surface pilose; sparsely hairy; hairy abaxially. Leaf-blade apex acute.
    Inflorescences
    Inflorescence a panicle. Panicle spiciform; lanceolate, or oblong; 2.4-4.5 cm long; 1 cm wide. Spikelets solitary. Fertile spikelets pedicelled. Pedicels oblong.
    Spikelets
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets oblong; laterally compressed; 3.2 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets oblong; laterally compressed; 3.2 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; dissimilar; reaching apex of florets; similar to fertile lemma in texture; shiny; gaping. Lower glume lanceolate; 2.6 mm long; 0.75 length of upper glume; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume surface glabrous. Lower glume apex acute. Upper glume elliptic; 3.1 mm long; 1.1 length of adjacent fertile lemma; membranous; without keels; 3 -veined. Upper glume surface glabrous. Upper glume apex acute.
    Florets
    Fertile lemma elliptic; 2.8 mm long; membranous; much thinner on margins; keeled; 5 -veined. Lemma surface pubescent. Lemma apex dentate; 2 -fid; acute; awned; 1 -awned. Principal lemma awn subapical; 2-4 mm long overall; 1 length of lemma. Palea gaping; hyaline. Palea keels scaberulous. Rhachilla extension pubescent.
    Flowers
    Anthers 3. Ovary glabrous.
    Distribution
    Asia-tropical: India.
    Reference
    Aveneae. Fl Pak 1993.

    Images

    Distribution

    Native to:

    West Himalaya

    Rostraria clarkeana (Domin) Holub appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Clarke, C.B. [28155], India K000032279 holotype

    First published in Folia Geobot. Phytotax. 9: 271 (1974)

    Accepted by

    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.
    • Cope, T.A. (1982). Flora of Pakistan 143: 1-678. Department of Botany, University of Karachi, Karachi.

    Literature

    Kew Backbone Distributions
    • Cope, T.A. (1982). Flora of Pakistan 143: 1-678. Department of Botany, University of Karachi, Karachi.

    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