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This species is accepted, and its native range is W. Indian Ocean, Tropical & Subtropical Asia to N. Australia.
Digitaria bicornis

[CPLC]

Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

Distribution
Naturalizada y adventicia en Colombia; Alt. 0 - 2000 m.; Amazonia, Andes, Guayana y Serranía de La Macarena, Islas Caribeñas, Llanura del Caribe, Orinoquia, Pacífico, Sierra Nevada de Santa Marta, Valle del Cauca, Valle del Magdalena.
Morphology General Habit
Hierba
Conservation
No Evaluada

[GB]
Morphology General Habit
Annual. Culms decumbent; 20-45 cm long; without nodal roots, or rooting from lower nodes. Leaf-sheaths glabrous on surface, or pilose; with tubercle-based hairs. Ligule an eciliate membrane; 2 mm long; truncate. Leaf-blades elliptic; 1-12 cm long; 2-8 mm wide. Leaf-blade surface scaberulous; rough on both sides; pilose; hairy on both sides; with tubercle-based hairs. Leaf-blade margins unthickened, or cartilaginous; undulate; scabrous. Leaf-blade apex acute.
Morphology Reproductive morphology Inflorescences
Inflorescence composed of racemes. Racemes 2-4; paired, or digitate; straight; unilateral; 5-10 cm long. Rhachis narrowly winged; angular; scabrous on margins. Spikelets in pairs. Fertile spikelets pedicelled; 2 in the cluster; heteromorphic (lower almost glabrous). Pedicels scabrous.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; acute; 3 mm long; falling entire.
Fertile
Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; acute; 3 mm long; falling entire.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes two. Lower glume ovate; 0.2-0.5 mm long; 0.1 length of spikelet. Lower glume apex obtuse. Upper glume lanceolate; 0.66 length of spikelet; membranous; 3 -veined. Upper glume surface glabrous. Upper glume margins ciliate, or setose. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Basal sterile florets barren; without significant palea. Lemma of lower sterile floret elliptic; 1 length of spikelet; membranous; 5 -veined; with thickened veins; ribbed; pilose, or setose (upper spikelet); hairy between veins but central interspaces glabrous; ciliate on margins; acute. Fertile lemma elliptic; 3 mm long; cartilaginous; much thinner on margins; light brown; without keel; 3 -veined. Lemma surface smooth. Lemma margins flat; covering most of palea. Lemma apex acute. Palea cartilaginous.
Morphology Reproductive morphology Flowers
Anthers 3; 0.5-1 mm long.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp; ellipsoid; 2-2.5 mm long. Embryo 0.5 length of caryopsis. Hilum punctiform.
Distribution
Africa: north and western Indian ocean. Asia-temperate: China and eastern Asia. Asia-tropical: India, Indo-China, Malesia, and Papuasia. Australasia: Australia. Pacific: southwestern, northwestern, and north-central. North America: Mexico. South America: Mesoamericana, western South America, Brazil, and southern South America.
Reference
Paniceae. Bor 1993.

Native to:

Andaman Is., Bangladesh, Bismarck Archipelago, Borneo, Cambodia, China South-Central, China Southeast, East Himalaya, Hainan, India, Jawa, Laos, Lesser Sunda Is., Madagascar, Malaya, Maluku, Mauritius, Myanmar, Nepal, New Guinea, Nicobar Is., Northern Territory, Philippines, Queensland, Rodrigues, Réunion, Sri Lanka, Sulawesi, Sumatera, Thailand, Vietnam, West Himalaya, Western Australia

Introduced into:

Alabama, Argentina Northeast, Argentina Northwest, Bahamas, Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Cameroon, Caroline Is., Cayman Is., Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, Fiji, Florida, Georgia, Guatemala, Haiti, Hawaii, Honduras, Iowa, Jamaica, Japan, Leeward Is., Libya, Louisiana, Marianas, Mauritania, Mexican Pacific Is., Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Mississippi, Nauru, Netherlands Antilles, Nicaragua, North Carolina, Panamá, Paraguay, Puerto Rico, Samoa, South Carolina, Texas, Turks-Caicos Is., Uruguay, Venezuela, Virginia, Wake I., Windward Is.

Digitaria bicornis (Lam.) Roem. & Schult. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Oct 1, 2011 Gamble, J.S. [1717717177], India K000245361 Unknown type material
Jan 1, 2002 Dombrowski, L.T. [2370], Brazil K001078422
Jan 1, 2002 Dombrowski, L.T. [2276], Brazil K001078421
Feb 8, 2000 Wright, C. [s.n.], Brazil K001086163
Feb 8, 2000 Lanna [630], Brazil K001075547
Feb 3, 2000 Lützelburg, P. von [s.n.], Brazil K001078420
Feb 3, 2000 Glaziou, A.F.M. [483], Brazil K001078419
Feb 3, 2000 Lowe, J. [4263], Brazil K001075546
Jan 1, 1990 Hoocky, J.W. [1487], Brazil K001078423
May 1, 1981 Klein [20], India K000245363 isotype
Oct 1, 1977 Wight, R. [3033], India K000245360 Unknown type material
Apr 1, 1973 Kerr, A.F.G. [10960], Thailand K000621208
Apr 1, 1973 Kerr, A.F.G. [10960], Thailand K000621207
Apr 1, 1973 Kerr, A.F.G. [10960], Thailand K000621206
Nov 1, 1971 Put [2591], Thailand K000621169
Nov 1, 1971 Kerr, A.F.G. [13420], Thailand K000621209
Nov 1, 1971 Floto, F. [7609], Thailand K000688299
Nov 1, 1971 Larsen, K. [1289], Thailand K000688298
Nov 1, 1971 Kerr, A.F.G. [21423], Thailand K000621167
Nov 1, 1971 Kerr, A.F.G. [3859], Thailand K000621165
Nov 1, 1971 Put [2591], Thailand K000621168
Nov 1, 1971 Smitinand, T. [5806], Thailand K000688301
Nov 1, 1971 Thailand K000688297
Nov 1, 1971 Put [2591], Thailand K000621170
Nov 1, 1971 Larsen, K. [8534], Thailand K000688300
Nov 1, 1971 Kerr, A.F.G. [21423], Thailand K000621166
Rambo, B. [40660], Brazil K001078424
Heckman, C.W. [102], Thailand K000688302
Heckman, C.W. [112], Thailand K000688304
Heckman, C.W. [103], Thailand K000688303
Panama K001467647
Colombia K001467648
Colombia K001467649
Anderson, B. [1909], Colombia K001467650
Venezuela K001467651
Venezuela K001467652
Ecuador K001467653
Ecuador K001467654
Ecuador K001467655
Peru K001467656

First published in Syst. Veg., ed. 15 bis 2: 470 (1817)

Accepted by

  • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
  • Ahmed, Z.U. (ed.) (2008). Encyclopedia of Flora and Fauna of Bangladesh 12: 1-505. Asiatic Society of Bangladesh.
  • Boonsuk, B., Chantaranothai, P. & Hodkinson, T.R. (2016). A taxonomic revision of the genus Digitaria (Panicoideae: Poaceae) in mainland Southeast Asia Phytotaxa 246: 248-280.
  • Bosser, J. & Renvoize, S.A. (2018). Flore des Mascareignes 203: 1-276. IRD Éditions, MSIRI, RBG-Kew, Paris.
  • Clayton, W.D. & Snow, N. (2010). A key to Pacific Grasses: 1-107. Kew Publishing, Royal Botanic Gardens, Kew.
  • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Dassanayake (ed.) (1994). A Revised Handbook to the Flora of Ceylon 8: 1-458. Oxford & IBH Publishing Co. PVT. LTD., New Delhi, Calcutta.
  • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.
  • Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
  • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
  • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.
  • Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.
  • Jørgensen, P.M. & León-Yánez, S. (eds.) (1999). Catalogue of the Vascular Plants of Ecuador Monographs in Systematic Botany from the Missouri Botanical Garden 75: i-viii, 1-1181.
  • Kandwal, M.K. & Gupta, B.K. (2009). An update on grass flora of Uttarkhand Indian Journal of Forestry 32: 657-668.
  • Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.
  • Levin, G.A. & Moran, R. (1989). The vascular flora of isla Socorro, Mexico: 1-71. Dept. of Botany, San Diego Natural History Museum, San Diego.
  • Middleton, D.J. & al. (eds.) (2019). Flora of Singapore 7: 1-525. Singapore Botanic Gardens.
  • Newman, M., Ketphanh, S., Svengsuksa, B., Thomas, P., Sengdala, K., Lamxay, V. & Armstrong, K. (2007). A checklist of the vascular plants of Lao PDR: 1-394. Royal Botanic Gardens, Edinburgh.
  • Onana, J.M. (2011). The vascular plants of Cameroon a taxonomic checklist with IUCN assessments: 1-195. National herbarium of Cameroon, Yaoundé.
  • Sánchez-Ken, J.G. (2012). A synopsis of Digitaria (Paniceae, Panicoideae, Poaceae) in Mexico, including the new species Digitaria michoacensis Acta Botanica Mexicana 101: 127-149. Instituto de Ecología A.C.
  • Thaman, R.R., Fosberg, F.R., Manner, H.I. & Hassall, D.C. (1994). The Flora of Nauru Atoll Research Bulletin 392: 1-223.
  • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.
  • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.

Literature

Catálogo de Plantas y Líquenes de Colombia

  • ColPlantA (2021). "ColPlantA. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://www.colplanta.org/"

Kew Backbone Distributions

  • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
  • Ahmed, Z.U. (ed.) (2008). Encyclopedia of Flora and Fauna of Bangladesh 12: 1-505. Asiatic Society of Bangladesh.
  • Barry, J. P. & Celles, J.S. (1991). Flore de Mauritanie 2: 360-550. Centre Regional de Documentation Pedagogique, Nice.
  • Bosser, J. & Renvoize, S.A. (2018). Flore des Mascareignes 203: 1-276. IRD Éditions, MSIRI, RBG-Kew, Paris.
  • Bosser, J. (1969). Gramiées des pasturages et des cultures a Madagascar: 1-440. ORSTOM, Paris.
  • Camus, E.G. & Camus, A. in H. Lecomte (1922). Flore Générale de l'indo-Chine 1(3): 193-336.
  • Clayton, W.D. & Snow, N. (2010). A key to Pacific Grasses: 1-107. Kew Publishing, Royal Botanic Gardens, Kew.
  • Correll, D.S. & Correll, H.B. (1982). Flora of the Bahama Archipelago: 1-1692. J.Cramer, Vaduz.
  • Dassanayake (ed.) (1994). A Revised Handbook to the Flora of Ceylon 8: 1-458. Oxford & IBH Publishing Co. PVT. LTD., New Delhi, Calcutta.
  • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.
  • Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
  • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
  • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.
  • Forzza, R.C. & al. (2013). Lista de Espécies da Flora do Brasil http://floradobrasil.jbrj.gov.br/2010/.
  • Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.
  • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
  • Hubbard, C.E. & Vaughan, R.E. (1940). Grasses of Mauritius and Rodriguez: 1-128. Crown Agents for the Colonies, London.
  • Jørgensen, P.M. & León-Yánez, S. (eds.) (1999). Catalogue of the Vascular Plants of Ecuador Monographs in Systematic Botany from the Missouri Botanical Garden 75: i-viii, 1-1181.
  • Kandwal, M.K. & Gupta, B.K. (2009). An update on grass flora of Uttarkhand Indian Journal of Forestry 32: 657-668.
  • Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.
  • Koyama, T. (1987). Grasses of Japan and its neighboring regions: an identification manual: 1-570. Kodansha, Tokyo, Japan.
  • Levin, G.A. & Moran, R. (1989). The vascular flora of isla Socorro, Mexico: 1-71. Dept. of Botany, San Diego Natural History Museum, San Diego.
  • Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras.
  • Newman, M., Ketphanh, S., Svengsuksa, B., Thomas, P., Sengdala, K., Lamxay, V. & Armstrong, K. (2007). A checklist of the vascular plants of Lao PDR: 1-394. Royal Botanic Gardens, Edinburgh.
  • Onana, J.M. (2011). The vascular plants of Cameroon a taxonomic checklist with IUCN assessments: 1-195. National herbarium of Cameroon, Yaoundé.
  • Pandey, R.P. & Dilwakar, P.G. (2008). An integrated check-list flora of Andaman and Nicobar islands, India Journal of Economic and Taxonomic Botany 32: 403-500.
  • Thaman, R.R., Fosberg, F.R., Manner, H.I. & Hassall, D.C. (1994). The Flora of Nauru Atoll Research Bulletin 392: 1-223.
  • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.
  • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.

Catálogo de Plantas y Líquenes de Colombia
http://creativecommons.org/licenses/by-nc-sa/3.0

Colombian resources for Plants made Accessible
http://creativecommons.org/licenses/by/3.0/

GrassBase - The Online World Grass Flora
http://creativecommons.org/licenses/by-nc-sa/3.0

Herbarium Catalogue Specimens
Digital Image © Board of Trustees, RBG Kew K001467650
Digital Image © Board of Trustees, RBG Kew K001467651
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/
Digital Image © Board of Trustees, RBG Kew K001467649
Digital Image © Board of Trustees, RBG Kew K001467647
Digital Image © Board of Trustees, RBG Kew K001467648
Digital Image © Board of Trustees, RBG Kew K001467656
Digital Image © Board of Trustees, RBG Kew K001467654
Digital Image © Board of Trustees, RBG Kew K001467655
Digital Image © Board of Trustees, RBG Kew K001467652
Digital Image © Board of Trustees, RBG Kew K001467653

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. 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 2021. 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

Kew Science Photographs
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