1. Family: Poaceae Barnhart
    1. Genus: Isachne R.Br.
      1. Isachne lisboae Hook.f.

        This species is accepted, and its native range is W. & SW. India, Vietnam.

    [GB]
    Habit
    Annual. Culms decumbent; 10-15 cm long. Leaf-sheaths glabrous on surface, or pubescent. Ligule absent. Leaf-blades lanceolate; 2.5-5 cm long; 17 mm wide. Leaf-blade margins unthickened; ciliate. Leaf-blade apex acute.
    Inflorescences
    Inflorescence a panicle. Panicle open; elliptic; 2.5-5 cm long. Primary panicle branches spreading; simple; 13-20 cm long. Panicle branches secund; pilose. Spikelets solitary. Fertile spikelets pedicelled. Pedicels pubescent.
    Spikelets
    Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets orbicular; dorsally compressed; 2.5-3 mm long; breaking up at maturity; disarticulating above glumes but not between florets.
    Fertile
    Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets orbicular; dorsally compressed; 2.5-3 mm long; breaking up at maturity; disarticulating above glumes but not between florets.
    Glume
    Glumes deciduous; similar; exceeding apex of florets; thinner than fertile lemma. Lower glume ovate, or orbicular; 1 length of spikelet; membranous; without keels; 5 -veined. Lower glume surface pubescent; hairy generally; with tubercle-based hairs. Lower glume apex cuspidate. Upper glume ovate, or orbicular; 1 length of spikelet; membranous; without keels; 5 -veined. Upper glume surface pubescent; hairy generally; with tubercle-based hairs. Upper glume apex cuspidate.
    Florets
    Fertile lemma orbicular; hemispherical; 2-2.5 mm long; coriaceous; shiny; without keel. Lemma surface punctate; glabrous. Lemma margins involute. Lemma apex obtuse. Palea coriaceous; 2 -veined.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Asia-tropical: India.
    Reference
    Isachneae. Blatt & McCann 1994.

    Images

    Distribution

    Native to:

    India, Vietnam

    Isachne lisboae Hook.f. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Lisboa, J.C. [s.n.], India K000245403 Unknown type material

    First published in Fl. Brit. India 7: 22 (1896)

    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.

    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.
    • Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.

    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