1. Family: Poaceae Barnhart
    1. Genus: Cymbopogon Spreng.
      1. Cymbopogon bhutanicus Noltie

        This species is accepted, and its native range is Bhutan.

    [GB]
    Habit
    Perennial; caespitose. Butt sheaths pubescent. Culms erect; 120-150 cm long. Culm-internodes distally glabrous. Culm-nodes glabrous. Leaf-sheaths glabrous on surface. Ligule an eciliate membrane; 3.5-4 mm long; scarious. Collar pubescent. Leaf-blade base tapering to the midrib. Leaf-blades involute; 40-80 cm long; 5-9.8 mm wide; glaucous; aromatic. Leaf-blade surface scaberulous; glabrous. Leaf-blade margins scabrous. Leaf-blade apex acuminate.
    Inflorescences
    Synflorescence compound; linear; 30-60 cm long; lax. Inflorescence composed of racemes; terminal and axillary; subtended by a spatheole; enclosed. Spatheole elliptic; 1.5-2.6 cm long; red. Racemes 2; paired; deflexed; 1.5-2 cm long. Rhachis fragile at the nodes; semiterete; pubescent on surface (above); ciliate on margins. Rhachis hairs 1.5-2.5 mm long. Rhachis internodes linear. Rhachis internode tip transverse; cupuliform. Raceme-bases flattened; unequal (the longer measured); pubescent. Spikelets in pairs. Fertile spikelets sessile; 1 in the cluster. Companion sterile spikelets pedicelled; 1 in the cluster. Pedicels linear; semiterete; ciliate; with 1.5-2.5 mm long hairs.
    Sterile
    Basal sterile spikelets well-developed; 2 in number (lower raceme); 0 in upper raceme; with normal internodes; sessile and pedicelled. Basal sterile spikelet pedicels free; linear. Basal sterile spikelets male; equalling fertile. Basal sterile spikelet lower glume muticous. Companion sterile spikelets well-developed; male; lanceolate; 5-6 mm long; as long as fertile; deciduous with the fertile. Companion sterile spikelet glumes chartaceous; acute; muticous. Companion sterile spikelet lemmas 2; enclosed by glumes.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 5-6 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus base obtuse; inserted. Basal sterile spikelets well-developed; 2 in number (lower raceme); 0 in upper raceme; with normal internodes; sessile and pedicelled. Basal sterile spikelet pedicels free; linear. Basal sterile spikelets male; equalling fertile. Basal sterile spikelet lower glume muticous. Companion sterile spikelets well-developed; male; lanceolate; 5-6 mm long; as long as fertile; deciduous with the fertile. Companion sterile spikelet glumes chartaceous; acute; muticous. Companion sterile spikelet lemmas 2; enclosed by glumes.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 5-6 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus base obtuse; inserted.
    Glume
    Glumes dissimilar; exceeding apex of florets; firmer than fertile lemma. Lower glume lanceolate; 1 length of spikelet; chartaceous; with oil streaks; 2-keeled; keeled all along; keeled laterally; wingless. Lower glume intercarinal veins distinct; 2(-3) in number. Lower glume surface concave. Upper glume lanceolate; 1-keeled; keeled above; winged on keel; 3 -veined. Upper glume primary vein scabrous. Upper glume apex acute.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret lanceolate; hyaline. Fertile lemma lanceolate; 4 mm long; hyaline; without keel. Lemma apex lobed; 2 -fid; awned; 1 -awned. Principal lemma awn from a sinus; geniculate; 11-13 mm long overall; with twisted column. Column of lemma awn 6 mm long; glabrous. Palea absent or minute.
    Flowers
    Anthers 3; 2.5 mm long.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Asia-tropical: India.
    Reference
    Andropogoneae. Fl Bhutan 2001.

    Distribution

    Native to:

    East Himalaya

    Cymbopogon bhutanicus Noltie appears in other Kew resources:

    First published in Edinburgh J. Bot. 56: 398 (1999)

    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.
    • Noltie, H.J. (2000). Flora of Bhutan 3(2): 457-883. Royal Botanic Gardens, Edinburgh.

    Literature

    Kew Backbone Distributions
    • Noltie, H.J. (2000). Flora of Bhutan 3(2): 457-883. Royal Botanic Gardens, Edinburgh.

    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 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