1. Family: Poaceae Barnhart
    1. Apocopis Nees

      1. This genus is accepted, and its native range is Indian Subcontinent to S. China and Malesia.

    [GB]

    nonem

    Habit
    Annual (11), or perennial (5). Rhizomes absent (15), or short (1). Culms erect (3/7), or geniculately ascending (2/7), or decumbent (2/7), or rambling (1/7); slender (2/2); 5-32.09-90 cm long; firm (14), or wiry (2). Culm-nodes constricted (1/1). Lateral branches ample (3/3). Ligule an eciliate membrane (14), or a ciliolate membrane (2). Leaf-blades linear, or lanceolate (7); firm (13), or flaccid (3). Leaf-blade midrib conspicuous (2/2). Leaf-blade margins cartilaginous (1/1).
    Inflorescences
    Inflorescence composed of racemes; subtended by an unspecialized leaf-sheath (13), or an inflated leaf-sheath (2), or a spatheole (1); exserted (15), or enclosed (1). Racemes single (1), or paired (15), or digitate (3); erect (5), or ascending (13). Rhachis fragile at the nodes; subterete (14/14). Rhachis internodes linear (14), or clavate (1), or cuneate (1). Spikelets appressed (15/15); in pairs. Fertile spikelets sessile; 1 in the cluster. Companion sterile spikelets pedicelled; 1 in the cluster. Pedicels adnate at the base to lower glume of sessile spikelet; linear.
    Spikelets
    Basal sterile spikelets absent (11), or well-developed (5). Companion sterile spikelets represented by barren pedicels (14), or rudimentary (1), or well-developed (2). Companion sterile spikelet glumes muticous (1/1). Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong (14), or obovate (4), or cuneate (1); dorsally compressed; 3-5.209-9.6 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus bearded (5/5); base obtuse; attached transversely.
    Sterile
    Basal sterile spikelets absent (11), or well-developed (5). Companion sterile spikelets represented by barren pedicels (14), or rudimentary (1), or well-developed (2). Companion sterile spikelet glumes muticous (1/1).
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong (14), or obovate (4), or cuneate (1); dorsally compressed; 3-5.209-9.6 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus bearded (5/5); base obtuse; attached transversely.
    Glume
    Glumes reaching apex of florets (13), or exceeding apex of florets (3); firmer than fertile lemma. Lower glume lanceolate (1), or elliptic (1), or oblong (10), or obovate (6), or cuneate (2); membranous (1), or chartaceous (6), or coriaceous (10); without keels; 5 -veined (1/13), or 7 -veined (11/13), or 9-13 -veined (1/13). Lower glume lateral veins obscure (1), or distinct (15); without ribs (15), or ribbed (1). Lower glume surface convex (15), or flat (1); smooth (13), or asperulous (2), or scabrous (1); glabrous (12), or pilose (6), or hispid (2). Lower glume apex entire (8), or erose (7), or dentate (1); 3-5 -fid (1/1); emarginate (4), or truncate (13), or obtuse (1); muticous (15), or mucronate (1). Upper glume lanceolate (1/15), or oblong (14/15); membranous (1), or chartaceous (15); with undifferentiated margins (13), or hyaline margins (3); 3 -veined (11/11). Upper glume surface smooth (14), or scabrous (2); glabrous (12), or pubescent (1), or pilose (3). Upper glume apex entire (14), or erose (2); truncate (11/12), or acuminate (1/12).
    Florets
    Basal sterile florets male, or barren (3); with palea. Lemma of lower sterile floret lanceolate (7), or elliptic (2), or oblong (9), or ovate (1); hyaline; 0 -veined (10/12), or 1 -veined (2/12); truncate (3/5), or obtuse (2/5). Fertile florets bisexual, or female (1). Fertile lemma linear (3), or lanceolate (5), or oblong (11); hyaline (10), or membranous (1), or chartaceous (5); of similar consistency on margins (15), or much thinner on margins (1); without keel; 0 -veined (1/13), or 1 -veined (13/13). Lemma surface smooth (14), or scabrous (2); glabrous (15), or pilose (1). Lemma margins eciliate (15), or ciliate (1). Lemma apex entire (4), or erose (1), or dentate (12), or lobed (2); 2 -fid (14/14); muticous (2), or mucronate (1), or awned (15); 1 -awned (15/15). Principal lemma awn apical (5), or from a sinus (14); straight (1), or geniculate (15). Column of lemma awn glabrous (4/15), or hispidulous (8/15), or puberulous (1/15), or pubescent (2/15). Palea not rolled (15), or tightly convolute around flower (1); hyaline (12), or membranous (4); 0 -veined (11/12), or 2 -veined (1/12); without keels (12), or 2-keeled (4).
    Flowers
    Lodicules absent (13/13). Anthers 2 (13/13). Stigmas 2-3 (1/1).
    Distribution
    Temperate Asia (4), or Tropical Asia (15).

    Images

    Distribution

    Native to:

    Assam, Bangladesh, Borneo, Cambodia, China South-Central, China Southeast, East Himalaya, Hainan, India, Laos, Malaya, Myanmar, Nepal, Sri Lanka, Sulawesi, Sumatera, Thailand, Vietnam, West Himalaya

    Apocopis Nees appears in other Kew resources:

    First published in Proc. Linn. Soc. London 1: 93 (1841)

    Accepted by

    • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.

    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