1. Family: Poaceae Barnhart
    1. Genus: Isachne R.Br.
      1. Isachne kunthiana (Wight & Arn. ex Steud.) Miq.

        This species is accepted, and its native range is India, Sri Lanka.

    [GB]
    Habit
    Perennial. Culms erect, or geniculately ascending; 10-60 cm long. Culm-nodes bearded. Leaf-sheaths pilose; with tubercle-based hairs; outer margin hairy. Ligule a fringe of hairs. Leaf-blades lanceolate, or elliptic, or oblong, or ovate; 1-6 cm long; 3-15 mm wide. Leaf-blade surface pilose; sparsely hairy; with tubercle-based hairs. Leaf-blade margins cartilaginous. Leaf-blade apex acute, or acuminate.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; 2-10 cm long. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets elliptic, or obovate; dorsally compressed; 2-3.5 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets elliptic, or obovate; dorsally compressed; 2-3.5 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes deciduous; similar; reaching apex of florets; thinner than fertile lemma. Lower glume lanceolate, or ovate; 1.9-3.2 mm long; 0.9 length of spikelet; membranous; without keels; 5 -veined. Lower glume surface hispidulous; hairy above. Lower glume apex acuminate. Upper glume lanceolate, or ovate; 2-2.5 mm long; 1 length of spikelet; membranous; without keels. Upper glume surface setose; hairy above. Upper glume apex attenuate.
    Florets
    Fertile lemma lanceolate, or ovate; 2-3.5 mm long; chartaceous; without keel. Lemma margins involute. Lemma apex acuminate. Palea chartaceous; 2 -veined.
    Flowers
    Anthers 3.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Asia-temperate: eastern Asia. Asia-tropical: India, Malesia, and Papuasia.
    Reference
    Isachneae. Nair 1993.

    Images

    Distribution

    Native to:

    India, Sri Lanka

    Isachne kunthiana (Wight & Arn. ex Steud.) Miq. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1950 Ridley, H.N. [6110], Peninsular Malaysia K000290172 syntype
    Jan 1, 1950 Ridley, H.N. [7264], Peninsular Malaysia K000290174 Unknown type material
    May 1, 1931 Schmid, L.B.E. [1276], India K000245395 isotype
    Ridley, H.N. [6251], Peninsular Malaysia K000290173 Unknown type material
    Ridley, H.N. [12480], Peninsular Malaysia K000290175 Unknown type material
    Gardner, G. [981], Sri Lanka K000245397 Unknown type material
    Gardner, G. [983], Sri Lanka K000245402 lectotype
    Gardner, G. [983], Sri Lanka K001056223 lectotype
    Kloss, C.B. [78], Malaysia K000290170 syntype
    Wight, R. [1659], India K001056224 isotype
    Wight, R. [1659], India K000245396 isotype
    Thwaites, G.H.K. [s.n.], Sri Lanka K000245401 Unknown type material
    Arnott, G.A.W. [2045], Sri Lanka K000245400 isotype
    Jan 1, 1994 Davidse, G. [8025], Sri Lanka Isachne kunthiana var. eligulata K001056222 isotype
    Davidse, G. [8546], Sri Lanka Isachne kunthiana var. srilankensis K001056221 isotype

    First published in Fl. Ned. Ind. 3: 460 (1857)

    Accepted by

    • Clayton, W.D. & Snow, N. (2010). A key to Pacific Grasses: 1-107. Kew Publishing, Royal Botanic Gardens, Kew.
    • 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.
    • Dassanayake (ed.) (1994). A Revised Handbook to the Flora of Ceylon 8: 1-458. Oxford & IBH Publishing Co. PVT. LTD., New Delhi, Calcutta.
    • Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.
    • Gilliland, H.B. (1971). A revised flora of Malaya 3: 1-319. The Royal Botanic Gardens, Singapore.
    • Henty, E.E. (1969). A manual of the grasses of New Guinea: 1-215. Division of Botany, Dpt. of Forests, LAE, New Guinea.

    Literature

    Kew Backbone Distributions
    • Dassanayake (ed.) (1994). A Revised Handbook to the Flora of Ceylon 8: 1-458. Oxford & IBH Publishing Co. PVT. LTD., New Delhi, Calcutta.
    • 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