1. Family: Poaceae Barnhart
    1. Sesleria Scop.

      1. This genus is accepted, and its native range is Europe to Iran, NW. Africa.

    [GB]

    nonem

    Habit
    Perennial. Rhizomes absent (27), or short (1). Stolons absent (27), or present (1). Culms erect (27), or decumbent (1); robust (1/3), or slender (2/3); 2-32.33-75 cm long; firm (27), or wiry (1). Lateral branches lacking (19/19). Leaf-sheaths open for most of their length (3/23), or tubular for much of their length (20/23). Ligule an eciliate membrane (21), or a ciliolate membrane (7). Leaf-blades filiform (3), or linear (25); stiff (2), or firm (24), or flaccid (2); without exudate (23), or pruinose (7). Leaf-blade margins cartilaginous (1/1). Leaf-blade apex muticous (26), or pungent (2).
    Inflorescences
    Inflorescence a panicle. Peduncle tipped by a glumaceous appendage. Panicle spiciform (8), or capitate (22). Spikelets solitary. Fertile spikelets sessile (7), or pedicelled (22). Pedicels oblong (4/4).
    Sterile
    Basal sterile spikelets absent (1), or represented by a single scale (27).
    Spikelets
    Spikelets comprising 2-3 fertile florets (23), or 4 fertile florets (3); with a barren rhachilla extension. Spikelets oblong; laterally compressed; 2.075-5.514-10 mm long; breaking up at maturity; disarticulating below each fertile floret. Basal sterile spikelets absent (1), or represented by a single scale (27).
    Fertile
    Spikelets comprising 2-3 fertile florets (23), or 4 fertile florets (3); with a barren rhachilla extension. Spikelets oblong; laterally compressed; 2.075-5.514-10 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; shorter than spikelet (18), or reaching apex of florets (14), or exceeding apex of florets (1). Lower glume lanceolate (17), or ovate (16); 0.9-0.9982-1 length of upper glume; membranous (27), or scarious (1); 1-keeled; 1 -veined (27), or 2 -veined (15), or 3 -veined (16). Lower glume lateral veins absent (27), or obscure (1), or distinct (15). Lower glume surface glabrous (25), or puberulous (1), or pubescent (4). Lower glume apex acute (18), or acuminate (12); muticous (7), or awned (23). Upper glume lanceolate (17), or ovate (16); 0.6-0.9778-1.5 length of adjacent fertile lemma; membranous (27), or scarious (1); with undifferentiated margins (27), or membranous margins (1); 1-keeled; 1 -veined (27), or 2 -veined (15), or 3 -veined (16). Upper glume primary vein eciliate (21), or ciliolate (2), or ciliate (6). Upper glume surface glabrous (25), or puberulous (1), or pubescent (4). Upper glume apex acute (17), or acuminate (12); muticous (7), or awned (23); 1 -awned (23/23).
    Florets
    Fertile lemma lanceolate (5), or elliptic (4), or oblong (4), or ovate (22); membranous; without keel; 3 -veined (25), or 4 -veined (24), or 5 -veined (27). Lemma midvein eciliate (26), or ciliolate (1), or ciliate (2). Lemma surface smooth (27), or scabrous (1); glabrous (11), or puberulous (2), or pubescent (10), or pilose (9); hairy on back (13/21), or on veins (5/21), or between veins (3/21). Lemma margins eciliate (16), or ciliolate (2), or ciliate (12). Lemma apex entire (4), or dentate (27); 3 -fid (12/27), or 4 -fid (9/27), or 5 -fid (24/27); obtuse (1/1); muticous (1), or mucronate (1), or awned (27); 1 -awned (11/27), or 2 -awned (8/27), or 3 -awned (15/27), or 4 -awned (7/27), or 5 -awned (16/27). Lateral lemma awns shorter than principal (3/3). Palea 0.9-1.018-1.1 length of lemma; 2 -veined (27/27). Palea keels eciliate (1), or pubescent (4), or ciliolate (23). Palea surface glabrous (21), or puberulous (2), or pubescent (3), or pilose (2). Palea apex dentate (5/5); muticous (13), or with excurrent keel veins (3), or awned (16).
    Flowers
    Anthers 3. Stigmas 2; plumose (3), or pubescent (25). Ovary glabrous (2/15), or pubescent on apex (12/15), or pubescent all over (1/15).
    Fruits
    Caryopsis with adherent pericarp (27/27); fusiform (1/7), or ovoid (2/7), or obovoid (4/7). Hilum punctiform (3/27), or elliptic (24/27).
    Distribution
    Europe (26), or Africa (1), or Temperate Asia (5).

    Images

    Distribution

    Native to:

    Albania, Austria, Baleares, Baltic States, Belarus, Belgium, Bulgaria, Corse, Czechoslovakia, East Aegean Is., Finland, France, Germany, Great Britain, Greece, Hungary, Iceland, Iran, Ireland, Italy, Kriti, Krym, Lebanon-Syria, Morocco, North Caucasus, Northwest European R, Poland, Romania, Sardegna, Sicilia, Spain, Sweden, Switzerland, Transcaucasus, Turkey, Turkey-in-Europe, Ukraine, Yugoslavia

    Extinct in:

    Netherlands

    Introduced into:

    Canary Is.

    Sesleria Scop. appears in other Kew resources:

    First published in Fl. Carniol.: 189 (1760)

    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