1. Family: Poaceae Barnhart
    1. Thysanolaena Nees

      1. This genus is accepted, and its native range is Tropical & Subtropical Asia.

    [GB]

    nonem

    Habit
    Perennial. Culms 200-400 cm long. Ligule an eciliate membrane. Leaf-blades deciduous at the ligule; stiff. Leaf-blade venation with distinct cross veins. Leaf-blade margins cartilaginous.
    Inflorescences
    Inflorescence a panicle. Panicle open. Spikelets solitary, or in pairs. Fertile spikelets pedicelled; 1-2 in the cluster. Pedicels filiform.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 1.5-2 mm long; falling entire; deciduous with the pedicel.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 1.5-2 mm long; falling entire; deciduous with the pedicel.
    Glume
    Glumes shorter than spikelet; thinner than fertile lemma. Lower glume ovate; 1 length of upper glume; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume ovate; 0.5 length of adjacent fertile lemma; membranous; without keels; 1 -veined. Upper glume apex acute.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret lanceolate; membranous; 1-3 -veined; acute. Fertile lemma lanceolate; membranous; much thinner on margins; without keel; 3 -veined. Lemma margins ciliate. Lemma apex acute. Palea 0.5 length of lemma.
    Flowers
    Lodicules 2. Anthers 2. Stigmas 2. Ovary glabrous.
    Fruits
    Caryopsis with adherent pericarp. Hilum punctiform.
    Distribution
    Africa, or Temperate Asia, or Tropical Asia, or Pacific.

    Images

    Distribution

    Native to:

    Andaman Is., Assam, Bangladesh, Borneo, Cambodia, China South-Central, China Southeast, East Himalaya, Hainan, India, Jawa, Laos, Lesser Sunda Is., Malaya, Maluku, Myanmar, Nepal, New Guinea, Nicobar Is., Pakistan, Philippines, Sri Lanka, Sulawesi, Sumatera, Taiwan, Thailand, Vietnam, West Himalaya

    Introduced into:

    Brazil West-Central, California, Cuba, Gambia, Hawaii, Mauritius, Seychelles, Tanzania, Trinidad-Tobago, Windward Is.

    Thysanolaena Nees appears in other Kew resources:

    First published in Edinburgh New Philos. J. 18: 180 (1835)

    Sources

    GrassBase - The Online World Grass Flora
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2018. 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 2018. 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