1. Family: Poaceae Barnhart
    1. Pseudosasa Makino ex Nakai

      1. This genus is accepted, and its native range is Vietnam to Hainan, S. & E. China to Korea, Japan.

    [GB]

    nonem

    Habit
    Perennial. Rhizomes absent (3), or elongated (16); leptomorph (16/16). Culms erect (15/15); 40-312.6-1300 cm long; woody; without nodal roots (1/1). Culm-internodes terete. Culm-nodes flush with internodes (4/6), or swollen (2/6); with distinct supra-nodal ridge (2/2). Lateral branches suffrutescent (1), or dendroid (18). Branch complement one (11/18), or two (12/18), or three (13/18), or several (1/18); solitary (2/2); as thick as stem (2/2). Culm-sheaths persistent (4/9), or tardily deciduous (3/9), or deciduous but leaving a persistent girdle (1/9), or deciduous (3/9); without auricles (9/13), or auriculate (4/13). Culm-sheath blade linear (6/15), or lanceolate (12/15), or triangular (3/15); narrower than sheath (1/2), or as wide as sheath at base (1/2). Leaf-sheath auricles absent (15), or erect (1), or falcate (5). Ligule an eciliate membrane (10), or a ciliolate membrane (8), or a ciliate membrane (1). Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades linear (1), or lanceolate (18), or elliptic (3), or oblong (4); herbaceous (17), or chartaceous (2). Leaf-blade venation without cross veins (8), or with obscure cross veins (4), or with distinct cross veins (7).
    Inflorescences
    Inflorescence a panicle (3/7), or composed of racemes (3/7), or comprising only a few spikelets (1/7); exserted (6/7), or embraced at base by subtending leaf (2/7). Panicle open (2/3), or contracted (1/3). Racemes single (2/2); bearing 2 fertile spikelets on each (1/2), or 3-5 fertile spikelets on each (2/2). Spikelets solitary (7/7). Fertile spikelets pedicelled (7/7).
    Spikelets
    Spikelets comprising 2-3 fertile florets (2/7), or 4 fertile florets (4/7), or 5-7 fertile florets (5/7), or 8 fertile florets (4/7), or 9-11 fertile florets (3/7), or 12 fertile florets (2/7), or 13-14 fertile florets (1/7); with diminished florets at the apex (7/7). Spikelets linear (5/7), or lanceolate (1/7), or oblong (1/7); laterally compressed (7/7); 10-29.71-55 mm long; breaking up at maturity (7/7); disarticulating below each fertile floret (7/7). Rhachilla internodes brief up to lowest fertile floret (6/7), or elongated between glumes (1/7); glabrous (3/7), or pubescent (4/7), or pilose (1/7). Floret callus pubescent (1/2), or pilose (1/2).
    Fertile
    Spikelets comprising 2-3 fertile florets (2/7), or 4 fertile florets (4/7), or 5-7 fertile florets (5/7), or 8 fertile florets (4/7), or 9-11 fertile florets (3/7), or 12 fertile florets (2/7), or 13-14 fertile florets (1/7); with diminished florets at the apex (7/7). Spikelets linear (5/7), or lanceolate (1/7), or oblong (1/7); laterally compressed (7/7); 10-29.71-55 mm long; breaking up at maturity (7/7); disarticulating below each fertile floret (7/7). Rhachilla internodes brief up to lowest fertile floret (6/7), or elongated between glumes (1/7); glabrous (3/7), or pubescent (4/7), or pilose (1/7). Floret callus pubescent (1/2), or pilose (1/2).
    Glume
    Glumes two (6/7), or several (1/7); persistent (7/7); shorter than spikelet (7/7). Lower glume lanceolate (5/5); 0.5-0.65-0.8 length of upper glume; chartaceous (5/5); without keels (5/5); 5 -veined (2/2), or 6-9 -veined (1/2). Lower glume surface glabrous (5/7), or puberulous (1/7), or pubescent (1/7). Lower glume apex acute (3/4), or acuminate (1/4). Upper glume lanceolate (4/6), or elliptic (1/6), or oblong (1/6); 1 length of adjacent fertile lemma; chartaceous (5/5); without keels (5/5); 5-6 -veined (1/2), or 7-9 -veined (2/2). Upper glume surface glabrous (5/7), or puberulous (1/7), or pubescent (1/7). Upper glume apex acute (4/5), or acuminate (1/5).
    Florets
    Fertile lemma lanceolate (1/7), or oblong (1/7), or ovate (7/7); chartaceous (7/7); without keel (7/7); 9 -veined (2/3), or 10-11 -veined (1/3), or 17-23 -veined (1/3). Lemma surface glabrous (4/7), or puberulous (2/7), or pubescent (2/7). Lemma margins eciliate (5/7), or ciliate (2/7). Lemma apex acute (1/5), or acuminate (4/5); muticous (7/7), or mucronate (1/7), or awned (1/7); 1 -awned (1/1). Palea 0.9-0.95-1 length of lemma; membranous (6/7), or chartaceous (1/7); 2 -veined (2/3), or 8-10 -veined (1/3). Palea keels eciliate (1/7), or ciliolate (2/7), or ciliate (4/7). Palea surface glabrous (5/7), or pubescent (2/7). Palea apex entire (2/2). Apical sterile florets resembling fertile though underdeveloped (7/7).
    Flowers
    Lodicules 3 (7/7); glabrous (2/7), or ciliate (5/7). Anthers 3 (7/7), or 4 (1/7). Stigmas 2 (1/7), or 3 (6/7). Ovary glabrous (4/5), or pubescent on apex (1/5).
    Fruits
    Caryopsis with adherent pericarp (7/7); oblong (1/2), or ovoid (1/2); apex unappendaged (2/2).
    Distribution
    Europe (1), or Africa (1), or Temperate Asia, or Tropical Asia (1), or Australasia (2).

    Images

    Distribution

    Native to:

    China South-Central, China Southeast, Hainan, Japan, Korea, Vietnam

    Introduced into:

    Algeria, Austria, Azores, Brazil Southeast, California, Canary Is., Connecticut, Delaware, East Himalaya, Florida, France, Great Britain, Ireland, Jawa, Madeira, Maryland, Morocco, Nansei-shoto, New Jersey, New Zealand North, New Zealand South, North Carolina, Pennsylvania, Puerto Rico, South Carolina, Taiwan, Tennessee, Transcaucasus, Turkey-in-Europe, Virginia

    Pseudosasa Makino ex Nakai appears in other Kew resources:

    First published in J. Arnold Arbor. 6: 150 (1925)

    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.

    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