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

      1. This genus is accepted, and its native range is Madagascar, Arabian Peninsula, Afghanistan to Japan and Tropical Asia, Marianas.

    [GB]

    nonem

    Habit
    Perennial. Culms erect (1), or geniculately ascending (1), or prostrate (2), or rambling (1); 10-37.5-60 cm long; firm (1), or wiry (3). Lateral branches ample (1/3), or fastigiate (2/3). Leaf-sheath auricles absent (3), or erect (1). Ligule an eciliate membrane (1), or a ciliolate membrane (3). Leaf-blades linear (3), or lanceolate (1); stiff (1), or firm (3).
    Inflorescences
    Inflorescence composed of racemes; terminal and axillary. Racemes single. Rhachis fragile at the nodes; subterete. Rhachis internodes linear. Spikelets in pairs. Fertile spikelets sessile and pedicelled; 2 in the cluster; the upper smaller (1/1). Pedicels filiform (1), or linear (3).
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic (3), or oblong (1); laterally compressed; 1.3-2.562-3.5 mm long; falling entire; deciduous from the base, or with accessory branch structures. Spikelet callus pubescent (1), or pilose (1), or bearded (3); base obtuse; attached transversely.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic (3), or oblong (1); laterally compressed; 1.3-2.562-3.5 mm long; falling entire; deciduous from the base, or with accessory branch structures. Spikelet callus pubescent (1), or pilose (1), or bearded (3); base obtuse; attached transversely.
    Glume
    Glumes exceeding apex of florets; firmer than fertile lemma. Lower glume elliptic (2), or oblong (2); 0.8-0.8667-0.9 length of upper glume; cartilaginous; without keels; 3-4 -veined (1/2), or 5 -veined (2/2), or 6-7 -veined (1/2). Lower glume surface smooth (3), or scabrous (1); glabrous (1), or puberulous (1), or pubescent. Lower glume apex entire (3), or lobed (1); 2 -fid (1/1); truncate (1/3), or obtuse (3/3); muticous (3), or awned (1). Upper glume elliptic (3), or oblong (1); cartilaginous (2/2); 1-keeled (1/1). Upper glume surface smooth (3), or scabrous (1); glabrous (3), or pilose (1). Upper glume apex entire (2), or dentate (2); 2 -fid (2/2); emarginate (2/2); awned; 1 -awned.
    Florets
    Basal sterile florets male (2), or barren (2); with palea (2), or without significant palea (2). Lemma of lower sterile floret linear (1), or lanceolate (2), or oblong (2); hyaline; 0 -veined; acute (1/1). Fertile lemma lanceolate (1), or oblong (3); hyaline; without keel; 1 -veined. Lemma margins eciliate (3), or ciliolate (1). Lemma apex dentate (3), or lobed (1); 2 -fid; incised 0.33-0.415-0.5 of lemma length; awned; 1 -awned. Principal lemma awn from a sinus; flexuous (2), or geniculate (2). Palea present (3), or absent or minute (1); 1 length of lemma; hyaline (3/3); without keels (3/3).
    Flowers
    Lodicules absent. Anthers 1 (2), or 2 (3).
    Fruits
    Caryopsis with adherent pericarp (1/1); fusiform (1/1), or oblong (1/1), or ovoid (1/1).
    Distribution
    Africa (2), or Temperate Asia (3), or Tropical Asia (3), or Australasia (2), or Pacific (1).

    Images

    Distribution

    Native to:

    Afghanistan, Andaman Is., Assam, Bangladesh, Borneo, Cambodia, China South-Central, China Southeast, East Himalaya, Hainan, India, Japan, Jawa, Laos, Lesser Sunda Is., Madagascar, Malaya, Maluku, Marianas, Myanmar, Nansei-shoto, Nepal, New Guinea, Nicobar Is., Pakistan, Philippines, Saudi Arabia, Solomon Is., Sri Lanka, Sulawesi, Sumatera, Taiwan, Thailand, Vietnam, West Himalaya

    Introduced into:

    Brazil Southeast, Brazil West-Central, Mauritius, Rodrigues

    Pogonatherum P.Beauv. appears in other Kew resources:

    First published in Ess. Agrostogr.: 56 (1812)

    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