1. Family: Poaceae Barnhart
    1. Piptatherum P.Beauv.

      1. This genus is accepted, and its native range is Medit. to Ethiopia, Temp. Asia to Himalaya.

    [GB]

    nonem

    Habit
    Perennial. Rhizomes absent (32), or short (2). Culms erect (18/22), or geniculately ascending (5/22), or decumbent (1/22); 8-56-150 cm long. Lateral branches lacking (1/1). Ligule an eciliate membrane. Leaf-blades filiform (3), or linear (31); herbaceous (30), or coriaceous (4); stiff (5), or firm (29).
    Inflorescences
    Inflorescence a panicle; exserted, or embraced at base by subtending leaf (1). Panicle open (26), or contracted (9). Primary panicle branches not whorled (33), or whorled at most nodes (1). Spikelets solitary. Fertile spikelets pedicelled. Pedicels tip widened (2/2).
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate (17), or elliptic (6), or oblong (2), or ovate (13); dorsally compressed; 2.49-6.476-12 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus glabrous (16/16).
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate (17), or elliptic (6), or oblong (2), or ovate (13); dorsally compressed; 2.49-6.476-12 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus glabrous (16/16).
    Glume
    Glumes persistent; shorter than spikelet (1), or reaching apex of florets (1), or exceeding apex of florets (32); thinner than fertile lemma. Lower glume lanceolate (2), or elliptic (15), or oblong (1), or ovate (16); 1-1.007-1.2 length of upper glume; hyaline (1), or membranous (32), or herbaceous (1); without keels; 1-6-9 -veined. Lower glume lateral veins absent (1), or obscure (1), or distinct (32). Lower glume surface smooth (30), or asperulous (2), or scabrous (2). Lower glume apex entire (33), or dentate (1); 2 -fid (1/1); obtuse (2/33), or acute (17/33), or acuminate (16/33). Upper glume lanceolate (2), or elliptic (15), or oblong (1), or ovate (16); 0.9-1.483-2 length of adjacent fertile lemma; hyaline (2), or membranous (31), or herbaceous (1); with undifferentiated margins (32), or hyaline margins (2); without keels; 1 -veined (2/24), or 2 -veined (1/24), or 3 -veined (9/24), or 4 -veined (3/24), or 5 -veined (15/24), or 6-7 -veined (7/24), or 8-9 -veined (2/24). Upper glume surface smooth (30), or asperulous (2), or scabrous (2). Upper glume apex obtuse (2), or acute (18), or acuminate (16).
    Florets
    Fertile lemma linear (4), or lanceolate (11), or elliptic (12), or oblong (3), or ovate (11), or obovate (1); dorsally compressed; coriaceous (33), or indurate (1); without keel; 3 -veined (3/5), or 5 -veined (2/5). Lemma surface glabrous (8), or puberulous (2), or pubescent (19), or pilose (4), or villous (1); without hair tufts (32), or with basal hair tufts near margin (2), or with conspicuous apical hairs (1). Lemma margins involute; exposing palea (33), or covering most of palea (1). Lemma apex entire (31), or dentate (3); 2 -fid (3/3); obtuse (21/29), or acute (7/29), or rostrate (1/29); without ornament, or pubescent (1); muticous (1), or awned (33); 1 -awned (33/33). Principal lemma awn apical (31/33), or subapical (2/33); straight (24/33), or curved (5/33), or flexuous (4/33), or bigeniculate (1/33). Palea 1 length of lemma; membranous (1), or coriaceous (32), or indurate (1); 2 -veined (33/33); without keels (33), or 2-keeled (1).
    Flowers
    Lodicules 2 (1/18), or 3 (17/18). Anthers 3 (27/27).
    Fruits
    Caryopsis with adherent pericarp (27/27); fusiform (1/15), or ellipsoid (10/15), or oblong (2/15), or ovoid (1/15), or obovoid (2/15); isodiametric (1/1). Embryo 0.25-0.3167-0.5 length of caryopsis. Hilum linear (14/14); 0.8-0.8938-0.9 length of caryopsis.
    Distribution
    Europe (5), or Africa (4), or Temperate Asia (29), or Tropical Asia (7), or Australasia (1), or Pacific (1), or North America (4), or South America (1).

    Images

    Distribution

    Native to:

    Afghanistan, Albania, Algeria, Baleares, Bulgaria, China North-Central, China South-Central, Corse, Cyprus, East Aegean Is., East Himalaya, Eritrea, Ethiopia, France, Greece, Gulf States, Iran, Iraq, Italy, Kazakhstan, Kirgizstan, Kriti, Krym, Lebanon-Syria, Libya, Mongolia, Morocco, Nepal, North Caucasus, Pakistan, Palestine, Portugal, Qinghai, Romania, Sardegna, Saudi Arabia, Sicilia, Sinai, Spain, Tadzhikistan, Tibet, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Turkmenistan, Ukraine, Uzbekistan, West Himalaya, Xinjiang, Yemen, Yugoslavia

    Introduced into:

    Canary Is.

    Piptatherum P.Beauv. appears in other Kew resources:

    First published in Ess. Agrostogr.: 17 (1812)

    Accepted by

    • Sclovich, S.E., Giussani, L.M., Ciadella, A.M. & Sede, S.M. (2015). Phylogenetic analysis of Jarava (Poaceae, Pooideae, Stipeae) and related genera: testing the value of the awn indumendum in the circumscription of Jarava Plant Systematics and Evolution 301: 1625-1641.

    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