1. Family: Poaceae Barnhart
    1. Genus: Isachne R.Br.
      1. Isachne albens Trin.

        This species is accepted, and its native range is Tropical & Subtropical Old World.

    [GB]
    Habit
    Perennial. Culms erect; 30-100 cm long. Leaf-sheaths 5.5-10 cm long; smooth; glabrous on surface, or hirsute. Ligule a fringe of hairs. Leaf-blades linear, or lanceolate; 5-30 cm long; 7-25 mm wide; stiff. Leaf-blade surface scaberulous; rough on both sides. Leaf-blade margins cartilaginous; scaberulous. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; effuse; 8-40 cm long; 4-20 cm wide. Primary panicle branches spreading. Panicle branches capillary. Spikelets solitary. Fertile spikelets pedicelled. Pedicels eglandular.
    Spikelets
    Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets orbicular; dorsally compressed; 1.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite; 0.5 mm long.
    Fertile
    Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets orbicular; dorsally compressed; 1.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite; 0.5 mm long.
    Glume
    Glumes deciduous; similar; exceeding apex of florets; thinner than fertile lemma. Lower glume orbicular; 1.4 mm long; 1 length of spikelet; membranous; much thinner on margins; without keels; 5 -veined. Lower glume surface asperulous; rough at apex. Lower glume apex obtuse. Upper glume orbicular; 1.4 mm long; 1.1 length of adjacent fertile lemma; membranous; without keels; 5(-7) -veined. Upper glume apex obtuse.
    Florets
    Fertile lemma orbicular; 1 mm long; cartilaginous; pallid; without keel. Lemma surface glabrous, or puberulous. Lemma margins involute. Lemma apex obtuse. Palea coriaceous; 2 -veined.
    Flowers
    Anthers 3; 0.8 mm long; yellow.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Asia-temperate: China and eastern Asia. Asia-tropical: India, Indo-China, Malesia, and Papuasia.
    Reference
    Isachneae. Gilliland 1993.

    Images

    Distribution

    Native to:

    Angola, Assam, Bangladesh, Bismarck Archipelago, Borneo, Burundi, Cameroon, Central African Repu, China South-Central, China Southeast, Congo, East Himalaya, Equatorial Guinea, Gabon, Ghana, Guinea, Guinea-Bissau, Gulf of Guinea Is., Ivory Coast, Jawa, Lesser Sunda Is., Liberia, Malaya, Maluku, Mozambique, Myanmar, Nepal, New Guinea, Nigeria, Philippines, Sierra Leone, Solomon Is., Sulawesi, Sumatera, Taiwan, Tanzania, Thailand, Tibet, Togo, Uganda, Vietnam, West Himalaya, Zambia, Zaïre

    Isachne albens Trin. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jul 1, 2010 Merrill, E.D. [4541], Philippines K000290194 isotype
    Sorensen, Th. [5840], Thailand K000688384
    Larsen, K. [2929], Thailand K000688382
    Strachey, R. [1], India K000245405 Unknown type material
    Elmer, A.D.E. [11578], Philippines K000290195 Unknown type material
    Elmer, A.D.E. [10425], Philippines K000290204 isotype
    Griffith, W. [6570], Myanmar K000245406 Unknown type material
    Griffith, W. [s.n.], Myanmar K000245407 Unknown type material
    Laegaard, S. [21671], Thailand K000688381
    Wallich, N. [8658], Nepal K001056218
    Wallich, N. [s.n.], Nepal K001056219
    Smitinand [7205], Thailand K000688383
    Laegaard [21601], Thailand K000688380
    s.coll. [6567], India K000245408 Unknown type material

    First published in Sp. Gram. 1: t. 85 (1827)

    Accepted by

    • Kandwal, M.K. & Gupta, B.K. (2009). An update on grass flora of Uttarkhand Indian Journal of Forestry 32: 657-668.
    • Ahmed, Z.U. (ed.) (2008). Encyclopedia of Flora and Fauna of Bangladesh 12: 1-505. Asiatic Society of Bangladesh.
    • 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.
    • Noltie, H.J. (2000). Flora of Bhutan 3(2): 457-883. Royal Botanic Gardens, Edinburgh.
    • Press, J.R. et al. (2000). Annotated Checklist of the Flowering Plants of Nepal: i-x, 1-430. Natural History Museum, London.
    • Turner, I.M. (1995 publ. 1997). A catalogue of the Vascular Plants of Malaya Gardens' Bulletin Singapore 47(2): 347-655.
    • 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
    • Kandwal, M.K. & Gupta, B.K. (2009). An update on grass flora of Uttarkhand Indian Journal of Forestry 32: 657-668.
    • Lisowski, S. (2009). Flore (Angiospermes) de la République de Guinée Scripta Botanica Belgica 41: 1-517.
    • Ahmed, Z.U. (ed.) (2008). Encyclopedia of Flora and Fauna of Bangladesh 12: 1-505. Asiatic Society of Bangladesh.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.
    • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.
    • Harris, D.J. (2002). The vascular plants of the Dzanga-Sangha Reserve, Central African Republic: 1-274. National Botanic Garden (Belgium), Meise.
    • Press, J.R. et al. (2000). Annotated Checklist of the Flowering Plants of Nepal: i-x, 1-430. Natural History Museum, London.
    • Aedo, C., Tellería, M.T. & Velayos, M. (eds.) (1999). Bases Documentales para la Flora de Guinea Ecuatorial; Plantas vascularis y hongos: 1-414. CSIC, real jardín Botánico, Madrid.
    • Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.
    • Brunel, J.F., Hiepo, P. & Scholz, H. (eds.) (1984). Flore Analytique du Togo Phanérogames: 1-751. GTZ, Eschborn.
    • Clayton, W.D., Phillips, S.M., Renvoize, S.A. (1974). Gramineae Flora of Tropical East Africa 2: 177-449.
    • Hepper, F.N. (ed.) (1972). Flora of West Tropical Africa, ed. 2, 3(2): 277-574.
    • Gilliland, H.B. (1971). A revised flora of Malaya 3: 1-319. The Royal Botanic Gardens, Singapore.
    • Lewalle, J. (1970). Liste floristique et répartition altitudinale de la flore du Burundi occidental: 1-84. Université officielle de Bujumbura.
    • Henty, E.E. (1969). A manual of the grasses of New Guinea: 1-215. Division of Botany, Dpt. of Forests, LAE, New Guinea.
    • Masamune, G. (1942). Enumeratio phanerogamarum Bornearum: 1-739. Taihoku, Formosa.

    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