1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum hayatae A.Camus

        This species is accepted, and its native range is Indo-China to Sumatera.

    [GB]
    Habit
    Annual. Culms rambling; 60-100 cm long. Lateral branches sparse. Leaf-sheaths outer margin hairy. Ligule a ciliolate membrane; 0.5 mm long. Leaf-blades lanceolate; 9-14 cm long; 9-15 mm wide. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; 12-16 cm long. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; obtuse; 3 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; obtuse; 3 mm long; falling entire.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume oblong; 0.66-0.75 length of spikelet; membranous; without keels; 3 -veined. Lower glume apex acute. Upper glume oblong; 1 length of spikelet; membranous; without keels; 9 -veined. Upper glume lateral veins prominent. Upper glume apex obtuse.
    Florets
    Basal sterile florets male; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; scarious; 9 -veined; prominently veined; obtuse. Fertile lemma ovate; dorsally compressed; 2.5 mm long; indurate; grey; without keel. Lemma margins involute. Lemma apex acute. Palea involute; indurate.
    Flowers
    Anthers 1.6 mm long.
    Distribution
    Asia-tropical: Indo-China and Malesia.
    Reference
    Paniceae. WDC 1994.

    Images

    Distribution

    Native to:

    Malaya, Sumatera, Thailand, Vietnam

    Panicum hayatae A.Camus appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1968 Kerr, A.F.G. [19207], Thailand K000290607

    First published in Notul. Syst. (Paris) 4: 46 (1923)

    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.
    • Turner, I.M. (1995 publ. 1997). A catalogue of the Vascular Plants of Malaya Gardens' Bulletin Singapore 47(2): 347-655.
    • Gilliland, H.B. (1971). A revised flora of Malaya 3: 1-319. The Royal Botanic Gardens, Singapore.

    Literature

    Kew Backbone Distributions
    • H?, P.-H. (2000). Câyc? Vi?tnam. An Illustrated flora of Vietnam, ed. 2, 3: 1-1020. Pham-hoang Ho, Montréal.
    • Gilliland, H.B. (1971). A revised flora of Malaya 3: 1-319. The Royal Botanic Gardens, Singapore.

    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 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