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This genus is accepted, and its native range is Temp. Eurasia, NW. Africa, Cameroon, Ethiopia to S. Africa, New Zealand, N. America, Peru to S. South America, Falkland Islands.
A specimen from Kew's Herbarium

[FTEA]

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

Morphology General Habit
Short tufted perennials, with or without rhizomes, sometimes annuals
Morphology Leaves
Leaf-blades usually very narrow
Morphology Reproductive morphology Inflorescences
Inflorescence a spike-like panicle, often lobed or interrupted, glistening
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets (1–)2–8(–13)-flowered, all alike, the rhachilla produced and with or without a rudimentary lemma; glumes subequal or unequal, lanceolate, keeled, with hyaline margins, mostly subacute to acuminate; lemmas usually a little longer than the glumes, faintly 3–5(–7)-nerved with hyaline margins, usually acute to acuminate, with or without a short terminal awn; callus obscure, glabrous or almost so; stamens 3; stigmas 2.

[FZ]

Gramineae, E. Launert. Flora Zambesiaca 10:1. 1971

Morphology Reproductive morphology Inflorescences Spikelets
Spikelets very shortly pedicelled, laterally compressed, (rarely 1) 2-many-flowered, muticous or awned; florets hermaphrodite or the uppermost one more or less reduced; rhachilla disarticulating above the glumes and between the florets, produced or often terminated by a reduced lemma, pubescent or glabrous.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes 2, unequal to subequal, persistent, subacute to acuminate or more rarely obtuse, with hyaline margins; the inferior 1-3-nerved; the superior 3-5-nerved.
Morphology Reproductive morphology Inflorescences Bracts Lemma
Lemmas almost always exceeding the glumes, 3-5 (rarely 7-)-nerved, the lateral nerves usually not very distinct, the middle nerve prominent and sometimes excurrent into a short mucro, both margins and apex hyaline; callus very short, glabrous or shortly pilose.
Morphology Reproductive morphology Inflorescences Bracts Palea
Paleas shorter than or almost as long as the corresponding lemmas, 2-keeled, hyaline, with the apex 2-dentate.
Morphology Reproductive morphology Flowers Lodicules
Lodicules 2, very small, hyaline.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary glabrous; styles distinct, rather short; stigmas plumose, laterally exserted.
Morphology Reproductive morphology Fruits
Caryopsis linear-oblong to oblong in outline, laterally compressed, of soft consistency, tightly embraced by the lemma; hilum basal, very minute.
Morphology General Habit
Perennials or annuals of varying habitats.
Morphology Leaves Ligules
Ligule a hyaline membrane.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle, usually more or less contracted, rarely lax and open, usually almost cylindrical, often interrupted in the lower part, glabrous or hairy.

[GB]

nonem

Morphology General Habit
Perennial. Rhizomes absent (23/45), or short (17/45), or elongated (6/45). Culms erect (35/44), or geniculately ascending (11/44), or decumbent (1/44); slender (1/1); 4-36.92-100 cm long. Lateral branches lacking (11/11). Leaf-sheath auricles absent (45), or erect (1). Ligule an eciliate membrane (38), or a ciliolate membrane (8). Leaf-blades filiform (7), or linear (43); stiff (15), or firm (30), or flaccid (1). Leaf-blade margins cartilaginous (3/3).
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle; exserted, or embraced at base by subtending leaf (2). Panicle open (1), or contracted (8), or spiciform (41), or capitate (1). Spikelets solitary. Fertile spikelets sessile (1), or pedicelled (45). Pedicels linear (1/5), or oblong (4/5).
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 fertile florets (1), or 2 fertile florets (43), or 3 fertile florets (31), or 4 fertile florets (6); with a barren rhachilla extension (26), or with diminished florets at the apex (29). Spikelets lanceolate (2/45), or elliptic (2/45), or oblong (16/45), or obovate (20/45), or cuneate (12/45); laterally compressed; 2-5.25-10 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes glabrous (8), or sparsely hairy (1), or pubescent (35), or pilose (3). Floret callus glabrous (1/10), or sparsely hairy (4/10), or pubescent (6/10).
Fertile
Spikelets comprising 1 fertile florets (1), or 2 fertile florets (43), or 3 fertile florets (31), or 4 fertile florets (6); with a barren rhachilla extension (26), or with diminished florets at the apex (29). Spikelets lanceolate (2/45), or elliptic (2/45), or oblong (16/45), or obovate (20/45), or cuneate (12/45); laterally compressed; 2-5.25-10 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes glabrous (8), or sparsely hairy (1), or pubescent (35), or pilose (3). Floret callus glabrous (1/10), or sparsely hairy (4/10), or pubescent (6/10).
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; shorter than spikelet (40), or reaching apex of florets (13); thinner than fertile lemma (1), or similar to fertile lemma in texture (45); parallel to lemmas (5), or gaping (41). Lower glume lanceolate (41), or elliptic (2), or oblong (5); 0.33-0.8391-1.1 length of upper glume; hyaline (1), or membranous (45); without keels (1), or 1-keeled (45); 1 -veined (37/42), or 2 -veined (2/42), or 3 -veined (7/42). Lower glume lateral veins absent (37), or distinct (11). Lower glume surface smooth (45), or asperulous (3); glabrous (44), or puberulous (2), or pubescent (5), or villous (1). Lower glume apex entire, or erose (1); obtuse (4), or acute (30), or acuminate (13), or attenuate (2); muticous (45), or mucronate (1). Upper glume lanceolate (21), or elliptic (5), or oblong (17), or ovate (3), or obovate (2); 0.66-0.955-1.25 length of adjacent fertile lemma; hyaline (1), or membranous (45); with undifferentiated margins (32), or hyaline margins (14); without keels (1), or 1-keeled (45); 3 -veined (40/40), or 4-7 -veined (1/40). Upper glume primary vein eciliate (44), or ciliolate (1), or ciliate (1). Upper glume surface smooth (45), or asperulous (3); glabrous (44), or puberulous (2), or pubescent (5), or villous (1). Upper glume apex entire, or erose (1); obtuse (4), or acute (34), or acuminate (9), or attenuate (2); muticous (44), or mucronate (3), or awned (1); 1 -awned (1/1).
Morphology Reproductive morphology Flowers Florets
Fertile lemma lanceolate (6), or elliptic (10), or oblong (27), or ovate (2), or obovate (1), or oblanceolate (1); membranous (44), or chartaceous (2); of similar consistency on margins (32), or much thinner on margins (14); without keel (1), or keeled (45); 3 -veined (13/27), or 4 -veined (2/27), or 5 -veined (16/27). Lemma midvein without distinctive roughness (40), or scaberulous (1), or scabrous (5). Lemma lateral veins obscure (5/6), or distinct (1/6); stopping well short of apex (3/3). Lemma surface smooth (37), or asperulous (4), or scaberulous (4), or scabrous (3); glabrous (34), or puberulous (8), or pubescent (4), or pilose (2), or villous (1). Lemma apex entire (44), or dentate (3); 2 -fid (3/3); emarginate (1/45), or obtuse (5/45), or acute (31/45), or acuminate (15/45), or attenuate (4/45), or setaceously attenuate (4/45); muticous (28), or mucronate (12), or awned (18); 0 -awned (1/18), or 1 -awned (18/18). Principal lemma awn apical (10/26), or subapical (16/26); straight (25/26), or curved (2/26). Palea embraced by lemma (4), or gaping (42); 0.5-0.9462-1 length of lemma; hyaline (1), or membranous (45). Palea keels smooth (35), or scaberulous (7), or scabrous (4); eciliate (44), or ciliolate (2). Palea apex dentate (3/3); muticous (45), or with excurrent keel veins (1). Apical sterile florets resembling fertile though underdeveloped (29/29).
Morphology Reproductive morphology Flowers
Lodicules 2 (39/39); membranous (37/37); 2-toothed (9/9). Anthers 3 (45/45). Ovary glabrous (33/33).
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp (28/28); fusiform (4/8), or ellipsoid (2/8), or oblong (1/8), or ovoid (1/8); laterally compressed (4/4). Embryo 0.2 length of caryopsis. Hilum elliptic (5/5); 0.2-0.225-0.25 length of caryopsis.
Distribution
Europe (20), or Africa (7), or Temperate Asia (17), or Tropical Asia (1), or Australasia (4), or Pacific (1), or North America (3), or South America (11), or Antarctica (1).

Doubtfully present in:

East Himalaya

Native to:

Afghanistan, Alabama, Alaska, Albania, Alberta, Algeria, Altay, Amur, Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Arkansas, Austria, Baleares, Baltic States, Belarus, Belgium, Bolivia, British Columbia, Bulgaria, Buryatiya, California, Cameroon, Cape Provinces, Central European Rus, Chile Central, Chile North, Chile South, China North-Central, China South-Central, China Southeast, Chita, Colorado, Corse, Czechoslovakia, Delaware, Denmark, East Aegean Is., East European Russia, Ethiopia, Falkland Is., France, Free State, Germany, Great Britain, Greece, Hungary, Illinois, Indiana, Inner Mongolia, Iowa, Iran, Iraq, Ireland, Irkutsk, Italy, Japan, Kamchatka, Kansas, Kazakhstan, Kentucky, Kenya, Khabarovsk, Kirgizstan, Korea, Krasnoyarsk, Krym, KwaZulu-Natal, Lebanon-Syria, Lesotho, Louisiana, Madeira, Magadan, Maine, Malawi, Manchuria, Manitoba, Maryland, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southwest, Minnesota, Mississippi, Missouri, Mongolia, Montana, Morocco, Mozambique, Nebraska, Nepal, Netherlands, Nevada, New Mexico, New South Wales, New York, New Zealand North, New Zealand South, North Caucasus, North Dakota, North European Russi, Northern Provinces, Northwest European R, Northwest Territorie, Ohio, Oklahoma, Ontario, Oregon, Pakistan, Pennsylvania, Peru, Poland, Portugal, Primorye, Qinghai, Queensland, Québec, Romania, Sardegna, Saskatchewan, Sicilia, South Dakota, South European Russi, Spain, Sudan, Swaziland, Sweden, Switzerland, Tadzhikistan, Tanzania, Tasmania, Texas, Tibet, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Turkmenistan, Tuva, Uganda, Ukraine, Uruguay, Utah, Uzbekistan, Vermont, Victoria, Washington, West Himalaya, West Siberia, Wisconsin, Wyoming, Xinjiang, Yakutskiya, Yemen, Yugoslavia, Yukon, Zambia, Zimbabwe

Introduced into:

Hawaii

Koeleria Pers. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Hinton, G.B. [2317], México State K000465762
Hinton, G.B. [2317], México State K000465763
Wallich, N. [Cat. no. 3792], Nepal K001117224

First published in Syn. Pl. 1: 97 (1805)

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 of West Tropical Africa

  • Domin in Biblio. Bot. 14 (65) (1907)
  • F.T.A. 10: 94 (1937).
  • Syn. Pl. 1: 97 (1805)

Flora Zambesiaca

  • Syn, Pl. 1: 97 (1805).

Flora of Tropical East Africa

  • Domin in Bibl. Bot. 14 (65) (1907)
  • Syn. Pl. 1: 97 (1805)

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

Herbarium Catalogue Specimens
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. 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 2021. 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