1. Family: Poaceae Barnhart
    1. Melica L.

      1. This genus is accepted, and its native range is Temp. Northern Hemisphere to Mexico, W. & S. South America to SE. & S. Brazil.

    [GB]

    nonem

    Habit
    Perennial. Rhizomes absent (43), or short (21), or elongated (24). Culms erect (38/57), or geniculately ascending (19/57), or decumbent (6/57), or rambling (4/57), or scandent (1/57); robust (1/3), or slender (2/3); 10-63.46-400 cm long; firm (84), or wiry (3), or woody (2); rooting from lower nodes (1/1). Lateral branches lacking (16/21), or sparse (1/21), or ample (4/21). Leaf-sheaths tubular for much of their length (85/85). Leaf-sheath auricles absent (82), or erect and connate forming a tooth opposite blade (6). Ligule an eciliate membrane (87), or absent (4). Leaf-blades filiform (4), or linear (85), or lanceolate (1); stiff (15), or firm (72), or flaccid (2); without scent (87), or aromatic (1). Leaf-blade venation without cross veins (87), or with distinct cross veins (1). Leaf-blade apex muticous (87), or pungent (1).
    Inflorescences
    Inflorescence a panicle; exserted (87), or embraced at base by subtending leaf (2). Panicle open (67), or contracted (20), or spiciform (4). Primary panicle branches not whorled (85), or whorled at most nodes (3). Spikelets ascending (1/10), or spreading (3/10), or pendulous (5/10), or deflexed (3/10); solitary. Fertile spikelets pedicelled. Pedicels filiform (68/69), or linear (1/69).
    Spikelets
    Spikelets comprising 1 fertile florets (35), or 2 fertile florets (63), or 3 fertile florets (28), or 4 fertile florets (19), or 5 fertile florets (12), or 6 fertile florets (6), or 7 fertile florets (2), or 8 fertile florets (1); with a barren rhachilla extension (1), or with diminished florets at the apex (87). Spikelets lanceolate (5), or elliptic (18), or oblong (33), or ovate (9), or orbicular (2), or obovate (8), or cuneate (13); laterally compressed (75), or dorsally compressed (14); 3.5-8.947-24 mm long; falling entire (51), or breaking up at maturity (38); disarticulating below each fertile floret (20/29), or above glumes but not between florets (9/29). Rhachilla internodes brief up to lowest fertile floret (86), or elongated between glumes (2); glabrous (72/74), or pubescent (2/74), or pilose (1/74). Floret callus glabrous (6/21), or pubescent (15/21).
    Fertile
    Spikelets comprising 1 fertile florets (35), or 2 fertile florets (63), or 3 fertile florets (28), or 4 fertile florets (19), or 5 fertile florets (12), or 6 fertile florets (6), or 7 fertile florets (2), or 8 fertile florets (1); with a barren rhachilla extension (1), or with diminished florets at the apex (87). Spikelets lanceolate (5), or elliptic (18), or oblong (33), or ovate (9), or orbicular (2), or obovate (8), or cuneate (13); laterally compressed (75), or dorsally compressed (14); 3.5-8.947-24 mm long; falling entire (51), or breaking up at maturity (38); disarticulating below each fertile floret (20/29), or above glumes but not between florets (9/29). Rhachilla internodes brief up to lowest fertile floret (86), or elongated between glumes (2); glabrous (72/74), or pubescent (2/74), or pilose (1/74). Floret callus glabrous (6/21), or pubescent (15/21).
    Glume
    Glumes persistent (28/28); shorter than spikelet (54), or reaching apex of florets (18), or exceeding apex of florets (20); thinner than fertile lemma. Lower glume lanceolate (16), or elliptic (23), or oblong (21), or ovate (16), or orbicular (1), or obovate (16), or flabellate (5); clasping (1/1); 0.33-0.9208-2 length of upper glume; hyaline (5), or membranous (60), or chartaceous (6), or scarious (17); without keels (85), or 1-keeled (3); 1-5-11 -veined. Lower glume lateral veins absent (6), or obscure (1), or distinct (82), or prominent (1). Lower glume surface smooth (78), or asperulous (11); glabrous (86), or puberulous (2). Lower glume apex entire (74), or erose (13), or dentate (1); 2 -fid (1/1); emarginate (3/83), or truncate (2/83), or obtuse (29/83), or acute (52/83), or acuminate (4/83), or setaceously attenuate (1/83); muticous (87), or mucronate (1). Upper glume linear (1), or lanceolate (35), or elliptic (24), or oblong (21), or ovate (9), or obovate (3), or cuneate (2); 0.5-1-1.6 length of adjacent fertile lemma; hyaline (4), or membranous (61), or chartaceous (6), or scarious (17); with undifferentiated margins (36), or hyaline margins (52); without keels (85), or 1-keeled (3); 1-2 -veined (1/81), or 3 -veined (17/81), or 4 -veined (10/81), or 5 -veined (61/81), or 6 -veined (13/81), or 7 -veined (22/81), or 8-9 -veined (3/81). Upper glume primary vein eciliate (87), or ciliate (1). Upper glume lateral veins transversely connected at apex (1/1). Upper glume surface smooth (76), or asperulous (10), or scabrous (1), or rugose (1); glabrous (85), or puberulous (3), or pilose (1). Upper glume apex entire (81), or erose (5), or dentate (2); 2 -fid (2/2); emarginate (3/80), or obtuse (31/80), or acute (52/80), or acuminate (7/80), or setaceously attenuate (1/80).
    Florets
    Fertile lemma lanceolate (26), or elliptic (38), or oblong (19), or ovate (10), or obovate (3), or oblanceolate (1); chartaceous (79), or herbaceous (5), or cartilaginous (2), or coriaceous (2); of similar consistency above (33), or much thinner above (55); of similar consistency on margins (40), or much thinner on margins (48); without keel (87), or keeled (1); 3-8-15 -veined. Lemma midvein extending to apex (1/1); without distinctive roughness (87), or scabrous (1); eciliate (87), or pubescent (1). Lemma lateral veins obscure (5/16), or distinct (3/16), or prominent (8/16); without ribs (85), or ribbed (3); stopping well short of apex (1/1). Lemma surface smooth (45), or asperulous (8), or scaberulous (18), or scabrous (16), or papillose (1), or tuberculate (1), or striate (2); unwrinkled (85), or rugulose (3); glabrous (74), or puberulous (1), or pubescent (5), or pilose (4), or villous (3), or hispid (1); hairy on back (9/14), or on veins (5/14); with simple hairs (13/14), or tubercle-based hairs (1/14); without hair tufts (87), or with tufts of hair on midvein (1). Lemma margins eciliate (60), or ciliate (29), or pubescent (1), or pilose (1). Lemma apex entire (75), or erose (4), or dentate (13), or lobed (1); 2 -fid (14/14); incised 0.1 of lemma length; emarginate (10/74), or truncate (2/74), or obtuse (49/74), or acute (23/74), or acuminate (2/74); muticous (84), or mucronate (1), or awned (4); 1 -awned (4/4). Principal lemma awn apical (1/4), or subapical (2/4), or from a sinus (1/4). Palea 0.5-0.8279-1 length of lemma; hyaline (1), or membranous (87); 2 -veined (87/87). Palea keels unthickened (84), or thickened (4); wingless (84), or winged (4); smooth (83), or scaberulous (4), or scabrous (1); eciliate (39), or ciliolate (49), or ciliate (1). Palea surface glabrous (81), or puberulous (5), or pubescent (2). Palea apex entire (4/7), or dentate (3/7). Apical sterile florets resembling fertile though underdeveloped (5/87), or distinct from fertile (82/87); 1 in number (6/34), or 2-3 in number (30/34), or 4 in number (1/34); barren (82/82); separate (3/82), or in a clump (79/82); linear (1/82), or lanceolate (7/82), or elliptic (12/82), or oblong (13/82), or ovate (5/82), or orbicular (5/82), or cuneate (43/82). Apical sterile lemmas muticous (80/82), or awned (2/82).
    Flowers
    Lodicules 2 (82/82); united (82/82); fleshy (81/81); glabrous (81/82), or ciliate (3/82); truncate (81/81). Anthers 3. Stigmas 2 (2/2). Ovary glabrous (2/2).
    Fruits
    Caryopsis with adherent pericarp (86/86); fusiform (1/26), or ellipsoid (20/26), or oblong (2/26), or ovoid (2/26), or obovoid (3/26). Embryo 0.2-0.2835-0.4 length of caryopsis. Hilum linear (63/63); 0.33-0.8988-1 length of caryopsis.
    Distribution
    Europe (11), or Africa (8), or Temperate Asia (32), or Tropical Asia (5), or North America (18), or South America (32).

    Images

    Distribution

    Native to:

    Afghanistan, Alabama, Alaska, Albania, Alberta, Aleutian Is., Algeria, Altay, Amur, Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Arkansas, Austria, Baleares, Baltic States, Belarus, Belgium, Bolivia, Brazil South, Brazil Southeast, British Columbia, Bulgaria, Buryatiya, California, Canary Is., Cape Provinces, Central European Rus, Chile Central, Chile North, Chile South, China North-Central, China South-Central, China Southeast, Chita, Colombia, Colorado, Corse, Cyprus, Czechoslovakia, Denmark, District of Columbia, East Aegean Is., East European Russia, East Himalaya, Ecuador, Finland, Florida, France, Free State, Georgia, Germany, Great Britain, Greece, Hungary, Idaho, Illinois, Indiana, Inner Mongolia, Iowa, Iran, Iraq, Ireland, Irkutsk, Italy, Japan, Kamchatka, Kansas, Kazakhstan, Kentucky, Khabarovsk, Kirgizstan, Korea, Krasnoyarsk, Kriti, Krym, Kuril Is., KwaZulu-Natal, Lebanon-Syria, Lesotho, Libya, Louisiana, Madeira, Manchuria, Maryland, Mexican Pacific Is., Mexico Northeast, Mexico Northwest, Michigan, Minnesota, Mississippi, Missouri, Mongolia, Montana, Morocco, Nebraska, Nepal, Netherlands, Nevada, New Jersey, New Mexico, North Carolina, North Caucasus, North European Russi, Northern Provinces, Northwest European R, Norway, Ohio, Oklahoma, Ontario, Oregon, Pakistan, Palestine, Paraguay, Pennsylvania, Peru, Poland, Portugal, Primorye, Qinghai, Québec, Romania, Sakhalin, Sardegna, Saskatchewan, Saudi Arabia, Selvagens, Sicilia, Sinai, South Carolina, South Dakota, South European Russi, Spain, Svalbard, Sweden, Switzerland, Tadzhikistan, Taiwan, Tennessee, Texas, Tibet, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Turkmenistan, Tuva, Ukraine, Uruguay, Utah, Uzbekistan, Virginia, Washington, West Himalaya, West Siberia, West Virginia, Wisconsin, Wyoming, Xinjiang, Yakutskiya, Yugoslavia

    Introduced into:

    New York, South Australia

    Melica L. appears in other Kew resources:

    First published in Sp. Pl.: 66 (1753)

    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