1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum amoenum Balansa

        This species is accepted, and its native range is China (Yunnan) to Peninsula Malaysia.

    [GB]
    Habit
    Perennial. Culms rambling; 100-180 cm long; without nodal roots, or rooting from lower nodes. Culm-nodes glabrous. Leaves cauline. Leaf-sheaths glabrous on surface; outer margin hairy. Ligule a ciliolate membrane. Leaf-blade base cordate. Leaf-blades 10-20 cm long; 10-12 mm wide; stiff. Leaf-blade midrib conspicuous. Leaf-blade surface glabrous. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence a panicle. Panicle open; pyramidal; 30-40 cm long. Primary panicle branches whorled at lower nodes. Panicle axis angular; smooth to scaberulous. Panicle branches capillary; scaberulous. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; subacute; 1.5-1.9 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; subacute; 1.5-1.9 mm long; falling entire.
    Glume
    Glumes shorter than spikelet; thinner than fertile lemma. Lower glume ovate; 0.9-1.2 mm long; 0.66 length of spikelet; membranous; without keels; 3 -veined. Lower glume apex obtuse. Upper glume ovate; 1 length of spikelet; membranous; without keels; 5 -veined. Upper glume apex obtuse.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret similar to upper glume; oblong; 1.2-1.5 mm long; 0.8 length of spikelet; membranous; 3-5 -veined; obtuse. Fertile lemma oblong, or ovate; dorsally compressed; 1.5-1.9 mm long; indurate; pallid; shiny; without keel. Lemma surface smooth. Lemma margins involute. Lemma apex obtuse, or acute. Palea involute; 1-1.3 mm long; indurate.
    Flowers
    Anthers 3.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Asia-temperate: China. Asia-tropical: Indo-China.
    Reference
    Paniceae. Fl Indo-Chine 1996.

    Distribution

    Native to:

    China South-Central, Laos, Malaya, Myanmar, Thailand, Vietnam

    Panicum amoenum Balansa appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Balansa, B. [1632], Vietnam K000290304 Unknown type material

    First published in J. Bot. (Morot) 4: 142 (1890)

    Accepted by

    • Newman, M., Ketphanh, S., Svengsuksa, B., Thomas, P., Sengdala, K., Lamxay, V. & Armstrong, K. (2007). A checklist of the vascular plants of Lao PDR: 1-394. Royal Botanic Gardens, Edinburgh.
    • 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
    • Newman, M., Ketphanh, S., Svengsuksa, B., Thomas, P., Sengdala, K., Lamxay, V. & Armstrong, K. (2007). A checklist of the vascular plants of Lao PDR: 1-394. Royal Botanic Gardens, Edinburgh.
    • 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.

    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