Oplismenus P.Beauv.
  • Fl. Oware 2: 14 (1810) 


Notes: , nom. cons. Distribution: Trop. & Subtrop. to Caucasus

General Description

HABIT Annual (3), or perennial (4). Culms erect (1), or geniculately ascending (1), or prostrate (6); robust (1/1); 10-53.28-150 cm long; rooting from lower nodes (4/4). Ligule an eciliate membrane (1), or a ciliate membrane (6). Leaf-blades lanceolate, or ovate (6); herbaceous (6), or chartaceous (1). Leaf-blade venation without cross veins (1), or with obscure cross veins (6). INFLORESCENCE Inflorescence composed of racemes. Racemes borne along a central axis; linear (6), or cuneate (1); unilateral; bearing few fertile spikelets (1), or many spikelets (6); bearing 2-6 fertile spikelets on each (1/1). Rhachis angular. Spikelet packing crowded (1), or contiguous (4), or lax (2); 2 -rowed (3/3). Spikelets in pairs. Fertile spikelets sessile and pedicelled; 2 in the cluster; subequal, or the lower smaller. Pedicels oblong (6/6). FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate, or ovate (1); laterally compressed; 2-3.464-6 mm long; falling entire. GLUMES Glumes shorter than spikelet, or reaching apex of florets (1); thinner than fertile lemma. Lower glume ovate; 0.9-0.9857-1 length of upper glume; herbaceous; 1-keeled; 3-4 -veined (1), or 5 -veined. Lower glume surface glabrous (4), or pubescent (5), or pilose (1). Lower glume apex acute; muticous (1), or awned (6). Upper glume ovate; herbaceous; 1-keeled; 5 -veined (6/6), or 6-7 -veined (5/6). Upper glume surface glabrous (4), or pubescent (5), or pilose (1). Upper glume apex obtuse (6), or acute (1); muticous (5), or mucronate (2), or awned (5); 1 -awned (1/1). FLORETS Basal sterile florets barren; with palea, or without significant palea (6). Lemma of lower sterile floret ovate; membranous; 7 -veined, or 8-9 -veined (6), or 10-11 -veined (5); emarginate (5/6), or acute (1/6); muticous (1), or mucronate (6). Fertile lemma oblong; dorsally compressed; coriaceous; without keel; 5 -veined (1/6), or 7 -veined (5/6). Lemma margins involute. Lemma apex acute; without ornament (1), or laterally pinched (6). Palea involute; coriaceous; without keels. FLOWER Anthers 3 (1/1). FRUIT Hilum linear (1/1); 0.5 length of caryopsis. DISTRIBUTION Europe (1), or Africa (5), or Temperate Asia (5), or Tropical Asia (5), or Australasia (4), or Pacific (3), or North America (4), or South America (4).

Distribution Map

 
  • Native distribution
  • Introduced distribution
Found in
  • Africa East Tropical Africa Kenya
  • Tanzania
  • Uganda
  • Macaronesia Canary Is.
  • Cape Verde
  • Madeira
  • Northeast Tropical Africa Eritrea
  • Ethiopia
  • Socotra
  • South Tropical Africa Angola
  • Malawi
  • Mozambique
  • Zambia
  • Zimbabwe
  • Southern Africa Botswana
  • Cape Provinces
  • KwaZulu-Natal
  • Namibia
  • Northern Provinces
  • Swaziland
  • West Tropical Africa Benin
  • Burkina
  • Gambia, The
  • Ghana
  • Guinea
  • Guinea-Bissau
  • Ivory Coast
  • Liberia
  • Mali
  • Nigeria
  • Senegal
  • Sierra Leone
  • Togo
  • West-Central Tropical Africa Burundi
  • Cameroon
  • Central African Republic
  • Congo
  • Equatorial Guinea
  • Gabon
  • Gulf of Guinea Is.
  • Rwanda
  • Zaire
  • Western Indian Ocean Comoros
  • Madagascar
  • Mauritius
  • Rodrigues
  • Réunion
  • Seychelles
  • Asia-Temperate Arabian Peninsula Oman
  • Yemen
  • Caucasus North Caucasus
  • Transcaucasus
  • China China North-Central
  • China South-Central
  • China Southeast
  • Hainan
  • Tibet
  • Eastern Asia Japan
  • Kazan-retto
  • Korea
  • Nansei-shoto
  • Ogasawara-shoto
  • Taiwan
  • Western Asia Iran
  • Turkey
  • Asia-Tropical Indian Subcontinent Assam
  • Bangladesh
  • East Himalaya
  • India
  • Laccadive Is.
  • Maldives
  • Nepal
  • Pakistan
  • Sri Lanka
  • West Himalaya
  • Indo-China Andaman Is.
  • Cambodia
  • Laos
  • Myanmar
  • Nicobar Is.
  • Thailand
  • Vietnam
  • Malesia Borneo
  • Christmas I.
  • Jawa
  • Lesser Sunda Is.
  • Malaya
  • Maluku
  • Philippines
  • Sulawesi
  • Sumatera
  • Papuasia Bismarck Archipelago
  • New Guinea
  • Solomon Is.
  • Australasia Australia New South Wales
  • Norfolk Is.
  • Northern Territory
  • Queensland
  • Victoria
  • Western Australia
  • New Zealand Kermadec Is.
  • New Zealand North
  • New Zealand South
  • Europe Middle Europe Switzerland
  • Southeastern Europe Italy
  • Yugoslavia
  • Southwestern Europe Spain
  • Northern America Mexico Mexican Pacific Is.
  • Mexico Central
  • Mexico Gulf
  • Mexico Northeast
  • Mexico Northwest
  • Mexico Southeast
  • Mexico Southwest
  • North-Central U.S.A. Missouri
  • Oklahoma
  • South-Central U.S.A. Texas
  • Southeastern U.S.A. Alabama
  • Arkansas
  • Florida
  • Georgia
  • Louisiana
  • Mississippi
  • North Carolina
  • South Carolina
  • Virginia
  • Pacific Northwestern Pacific Caroline Is.
  • Marianas
  • South-Central Pacific Cook Is.
  • Marquesas
  • Pitcairn Is.
  • Society Is.
  • Tubuai Is.
  • Southwestern Pacific Fiji
  • New Caledonia
  • Niue
  • Samoa
  • Tonga
  • Vanuatu
  • Southern America Brazil Brazil North
  • Brazil South
  • Brazil Southeast
  • Brazil West-Central
  • Caribbean Bahamas
  • Bermuda
  • Cayman Is.
  • Cuba
  • Dominican Republic
  • Haiti
  • Jamaica
  • Leeward Is.
  • Puerto Rico
  • Trinidad-Tobago
  • Venezuelan Antilles
  • Windward Is.
  • Central America Belize
  • Costa Rica
  • El Salvador
  • Guatemala
  • Honduras
  • Nicaragua
  • Panamá
  • Northern South America French Guiana
  • Guyana
  • Suriname
  • Venezuela
  • Southern South America Argentina Northeast
  • Argentina Northwest
  • Paraguay
  • Uruguay
  • Western South America Bolivia
  • Colombia
  • Ecuador
  • Galápagos
  • Peru
Introduced into
  • Africa Middle Atlantic Ocean St.Helena
  • Northern America Southeastern U.S.A. Maryland
  • Pacific North-Central Pacific Hawaii
  • Southern America Brazil Brazil Northeast

  Bibliography

  • 1 Govaerts, R.H.A. (2011). World checklist of selected plant families published update. Facilitated by the Trustees of the Royal Botanic Gardens, Kew.

 Information From

GrassBase - The Online World Grass Flora
http://www.kew.org/data/grasses-db/
Clayton, W.D., Vorontsova, M.S., Harman, K.T. and Williamson, H. (2006 onwards). GrassBase - The Online World Grass Flora. http://www.kew.org/data/grasses-db.html. [accessed 24 January 2012; 14:30 GMT]
  • A © Copyright The Board of Trustees, Royal Botanic Gardens, Kew.
eMonocot
http://e-monocot.org
eMonocot. (2010, 1st November). Retrieved Wednesday, 8th February, 2012, from http://e-monocot.org.
  • B Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
World Checklist of Selected Plant Families
http://apps.kew.org/wcsp/
WCSP 2014. 'World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://apps.kew.org/wcsp/ Retrieved 2011 onwards
  • C See http://kew.org/about-kew/website-information/legal-notices/index.htm You may use data on these Terms and Conditions and on further condition that: The data is not used for commercial purposes; You may copy and retain data solely for scholarly, educational or research purposes; You may not publish our data, except for small extracts provided for illustrative purposes and duly acknowledged; You acknowledge the source of the data by the words "With the permission of the Trustees of the Royal Botanic Gardens, Kew" in a position which is reasonably prominent in view of your use of the data; Any other use of data or any other content from this website may only be made with our prior written agreement.