1. Family: Poaceae Barnhart
    1. Lepturus R.Br.

      1. This genus is accepted, and its native range is Somalia to S. Africa, W. Indian Ocean, Tropical & Subtropical Asia to Pacific.

    [FTEA]

    Gramineae, W. D. Clayton, S. M. Phillips And S. A. Renvoize. Flora of Tropical East Africa. 1974

    Habit
    Stoloniferous or caespitose perennials
    Leaves
    Leaf-blades linear to narrowly lanceolate
    Inflorescences
    Spike cylindrical, disarticulating transversely or obliquely at the nodes when mature
    Spikelets
    Spikelets subulate, lanceolate, or oblong; lower glume adaxial, usually suppressed (but similar to upper in terminal spikelet); upper glume 5–12-nerved, cartilaginous, thick and indurated, truncate, acute, or tapering into a straight awn; lemma boat-shaped, membranous to scarious
    Fruits
    Grain oblong-ellipsoid, dorsally flattened, with a free pericarp.
    [GB]

    nonem

    Habit
    Annual (6), or perennial (9). Stolons absent (12), or present (3). Culms erect (5/10), or geniculately ascending (6/10), or decumbent (2/10); 5-31.93-120 cm long; rooting from lower nodes (3/3). Lateral branches ample (1/1). Leaf-sheath auricles absent (13), or erect (2). Ligule an eciliate membrane (2), or a ciliolate membrane (12), or absent (1). Leaf-blade base without a false petiole (14), or with a false petiole (3). Leaf-blades linear (14), or lanceolate (3); stiff (1), or firm (14). Leaf-blade apex muticous, or pungent (1).
    Inflorescences
    Inflorescence composed of racemes; exserted (13), or embraced at base by subtending leaf (2). Racemes single; linear (14), or moniliform (1); bilateral. Rhachis fragile at the nodes; wingless (14), or narrowly winged (1); folded longitudinally to embrace spikelets (1/1); flattened (1), or subcylindrical and excavated (14). Spikelet packing adaxial; 2 -rowed. Rhachis internodes oblong. Rhachis internode tip transverse (9), or oblique (6); flat (14), or notched (1). Spikelets sunken (14), or appressed (1); solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 1 basal sterile florets (1/1); 1 fertile florets (12), or 2 fertile florets (4); without rhachilla extension (1/13), or with a barren rhachilla extension (10/13), or with diminished florets at the apex (3/13). Spikelets lanceolate (7), or elliptic (1), or oblong (7), or ovate (1); dorsally compressed; 1.5-4.714-14 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus brief (14), or oblong (1); glabrous (1/1); base truncate (3/4), or acute (1/4); attached transversely (3/4), or inserted (1/4).
    Fertile
    Spikelets comprising 1 basal sterile florets (1/1); 1 fertile florets (12), or 2 fertile florets (4); without rhachilla extension (1/13), or with a barren rhachilla extension (10/13), or with diminished florets at the apex (3/13). Spikelets lanceolate (7), or elliptic (1), or oblong (7), or ovate (1); dorsally compressed; 1.5-4.714-14 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus brief (14), or oblong (1); glabrous (1/1); base truncate (3/4), or acute (1/4); attached transversely (3/4), or inserted (1/4).
    Glume
    Glumes one the lower absent or obscure; reaching apex of florets (5), or exceeding apex of florets (10); firmer than fertile lemma. Upper glume lanceolate (9), or elliptic (1), or oblong (4), or ovate (2); 1-1.32-3 length of adjacent fertile lemma; coriaceous; without keels; 5-6 -veined (4/11), or 7 -veined (7/11), or 8 -veined (6/11), or 9 -veined (7/11), or 10 -veined (4/11), or 11 -veined (6/11), or 12 -veined (5/11), or 13 -veined (1/11). Upper glume lateral veins without ribs (12), or ribbed (3). Upper glume surface smooth, or asperulous (1), or scabrous (1); glabrous (12), or puberulous (2), or pubescent (1). Upper glume apex truncate (1), or obtuse (2), or acute (5), or acuminate (3), or attenuate (5), or cuspidate (1); muticous (10), or awned (5), or awned only on distal spikelets (2); 1 -awned (7/7).
    Florets
    Basal sterile florets male (1/1); with palea (1/1). Lemma of lower sterile floret lanceolate (1/1). Fertile lemma lanceolate (6), or elliptic (5), or ovate (4); membranous (11), or coriaceous (4); without keel; 3 -veined. Lemma lateral veins extending close to apex (2/2). Lemma surface smooth (14), or asperulous (1); glabrous (12), or puberulous (4). Lemma margins eciliate (14), or ciliolate (1). Lemma apex entire (14), or erose (2); truncate (1), or obtuse (6), or acute (9). Palea 1 length of lemma; 2 -veined (8/8). Palea keels wingless (14), or winged (1); eciliate (13), or ciliolate (2). Apical sterile florets 1 in number (3/3); barren (1/1); linear (1/3), or lanceolate (2/3).
    Flowers
    Lodicules 2 (5/5); fleshy (1/1). Anthers 3 (5/5). Stigmas 2 (5/5).
    Fruits
    Caryopsis with free soft pericarp (7/7); ellipsoid (4/5), or oblong (1/5); dorsally compressed (5/5). Embryo 0.6 length of caryopsis. Hilum punctiform (5/6), or elliptic (1/6).
    Distribution
    Africa (11), or Temperate Asia (1), or Tropical Asia (2), or Australasia (5), or Pacific (1).
    [FZ]

    Gramineae, T. Cope. Flora Zambesiaca 10:2. 1999

    Habit
    Description as for tribe.

    Images

    Distribution

    Native to:

    Aldabra, Andaman Is., Caroline Is., Chagos Archipelago, China Southeast, Christmas I., Cocos (Keeling) Is., Comoros, Cook Is., Easter Is., Fiji, Gilbert Is., Hawaii, Howland-Baker Is., India, Japan, Jawa, Kazan-retto, Kenya, Kermadec Is., KwaZulu-Natal, Laccadive Is., Lesser Sunda Is., Line Is., Madagascar, Malawi, Malaya, Maluku, Marcus I., Marianas, Marshall Is., Mauritius, Mozambique, Nansei-shoto, Nauru, New Caledonia, New Guinea, New South Wales, Niue, Norfolk Is., Northern Territory, Ogasawara-shoto, Philippines, Phoenix Is., Pitcairn Is., Queensland, Rodrigues, Réunion, Samoa, Seychelles, Society Is., Socotra, Solomon Is., Somalia, South China Sea, Sri Lanka, Sulawesi, Sumatera, Taiwan, Tanzania, Thailand, Tokelau-Manihiki, Tonga, Tuamotu, Tubuai Is., Tuvalu, Vanuatu, Vietnam, Wake I., Wallis-Futuna Is., Western Australia, Zimbabwe

    Lepturus R.Br. appears in other Kew resources:

    First published in Prodr. Fl. Nov. Holland.: 207 (1810)

    Accepted by

    • Govaerts, R.H.A. (2011). World checklist of selected plant families published update Facilitated by the Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Flora Zambesiaca
    • Prodr.: 207 (1810).
    Flora of Tropical East Africa
    • Prodr. Fl. Nov. Holl.: 207 (1810)

    Sources

    Flora Zambesiaca
    Flora Zambesiaca
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    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 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