Sesleria Scop.

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

[GB]

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Morphology General 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).
Morphology Reproductive morphology 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).
Morphology Reproductive morphology Inflorescences 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.
Morphology Reproductive morphology Inflorescences Bracts 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).
Morphology Reproductive morphology Flowers 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).
Morphology Reproductive morphology 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).
Morphology Reproductive morphology 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).

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)

Accepted by

  • Govaerts, R., Nic Lughadha, E., Black, N., Turner, R. & Paton, A. (2021). The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. https://doi.org/10.1038/s41597-021-00997-6 Scientific Data 8: 215.

  • 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 2022. 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 2022. 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