Skip to main content
This species is accepted, and its native range is Medit. and Iran and Arabian Peninsula.
A specimen from Kew's Herbarium

[FTEA]

Gramineae, W. D. Clayton, S. M. Phillips & S. A. Renvoize. Flora of Tropical East Africa. 1974

Morphology General Habit
Annual; culms 35–80 cm. high, erect or spreading.
Morphology Leaves
Leaf-blades 10–25 cm. long and 4–8 mm. wide; sheaths loosely hairy.
Morphology Reproductive morphology Inflorescences
Panicles loose or somewhat contracted, up to 25 cm. long but variable in size and bearing few to many spikelets, nodding.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets loosely 5–8-flowered, oblong to wedge-shaped, 3–5 cm. long; glumes finely pointed, the lower subulate, 15–23 mm. long, 1–3-nerved, the upper narrowly lanceolate, 20–32 mm. long, 3–5-nerved; lemmas narrowly lanceolate in side view, 22–36 mm. long, herbaceous with hyaline margins, 7-nerved, scabrid, acuminately bilobed, awned from 4–7 mm. below the tip; awn 3.5–6 cm. long, straight, scabrid; callus oblong, ± 1 mm. long, obtuse; palea shorter than the lemma, sparsely and stiffly ciliate on the keels; anthers 2–3, 0.8–1.5 mm. long.
Habitat
An introduced species of waste places and old farm land; 2300–3000 m.
Distribution
K3 K4 T3 Mediterranean region, widely established elsewhere as a weed

[GB]
Morphology General Habit
Annual; culms solitary, or caespitose. Culms erect, or geniculately ascending; 35-150 cm long; 3-6 -noded. Leaf-sheaths hispid. Ligule an eciliate membrane; 3-6 mm long; lacerate. Leaf-blades 4-25 cm long; 4-8 mm wide. Leaf-blade surface scaberulous; pilose.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle open; ovate; effuse; nodding; 10-25 cm long. Primary panicle branches drooping; 2-4 -nate; simple; 3-10 cm long; bearing 1(-2) fertile spikelets on each lower branch. Panicle branches flexuous; scabrous. Spikelets solitary. Fertile spikelets pedicelled.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 5-8 fertile florets; with diminished florets at the apex. Spikelets cuneate; laterally compressed; (20-)45-60 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; 1 mm long.
Fertile
Spikelets comprising 5-8 fertile florets; with diminished florets at the apex. Spikelets cuneate; laterally compressed; (20-)45-60 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; 1 mm long.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; dissimilar; shorter than spikelet; gaping. Lower glume linear; 15-35 mm long; 0.7-0.8 length of upper glume; chartaceous; 1-keeled; 1-3 -veined. Lower glume apex acuminate. Upper glume lanceolate; 20-45 mm long; 0.9 length of adjacent fertile lemma; chartaceous; 1-keeled; 3(-5) -veined. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma lanceolate; 22-45 mm long; chartaceous; much thinner on margins; without keel; 7 -veined. Lemma surface scaberulous. Lemma apex dentate; 2 -fid; incised 0.1-0.2 of lemma length; awned; 1 -awned. Principal lemma awn subapical; 35-75 mm long overall; limb scabrous. Palea 0.8 length of lemma. Palea keels ciliolate. Apical sterile florets resembling fertile though underdeveloped.
Morphology Reproductive morphology Flowers
Lodicules 2; membranous. Anthers 2-3; 0.8-1.5 mm long. Ovary with a fleshy appendage above style insertion; pubescent on apex.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp; linear; hairy at apex; apex fleshy. Hilum linear; 1 length of caryopsis.
Distribution
Europe: northern, central, southwestern, southeastern, and eastern. Africa: north, Macaronesia, east tropical, and south. Asia-temperate: Soviet far east, Caucasus, western Asia, and Arabia. Australasia: Australia and New Zealand. Pacific: north-central. North America: Mexico. South America: Mesoamericana and western South America.
Reference
Bromeae. Acedo 1996.

Native to:

Algeria, Baleares, Bulgaria, Corse, Cyprus, East Aegean Is., Egypt, France, Greece, Iran, Iraq, Italy, Kriti, Lebanon-Syria, Libya, Morocco, Palestine, Portugal, Sardegna, Saudi Arabia, Sicilia, Sinai, Spain, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Yugoslavia

Introduced into:

Arizona, Arkansas, Austria, Azores, Belgium, British Columbia, California, Canary Is., Cape Provinces, Chatham Is., Colorado, Delaware, District of Columbia, Dominican Republic, Ecuador, Free State, Georgia, Germany, Great Britain, Guatemala, Haiti, Hawaii, Idaho, Illinois, India, Jamaica, Kenya, Kermadec Is., Krym, KwaZulu-Natal, Lesser Sunda Is., Louisiana, Madeira, Maryland, Massachusetts, Mexican Pacific Is., Mexico Central, Mexico Gulf, Mexico Northwest, Missouri, Montana, Namibia, Nevada, New Jersey, New Mexico, New South Wales, New York, New Zealand North, New Zealand South, Norfolk Is., North Carolina, Northern Provinces, Northern Territory, Oklahoma, Oregon, Primorye, Queensland, South Australia, South Carolina, Sri Lanka, Sudan, Tanzania, Tasmania, Texas, Utah, Victoria, Virginia, Washington, West Himalaya, Western Australia

Bromus diandrus Roth appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Boreau, A. [s.n.], France K000913584
Rugel, F.I.X. [s.n.], France K000913583
Billot, C. [2981] K000913585
Roth, A.W. [81] K000913586

First published in Bot. Abh. Beobacht.: 44 (1787)

Accepted by

  • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
  • Bor, N.L. (1968). Flora of Iraq 9: 1-588. Ministry of Agriculture & Agrarian Reform, Baghdad.
  • Bor, N.L. (1970). Flora Iranica 70: 1-573. Naturhistorisches Museums Wien.
  • Boulos, L. (2005). Flora of Egypt 4: 1-617. Al Hadara Publishing, Cairo.
  • Clayton, W.D. & Snow, N. (2010). A key to Pacific Grasses: 1-107. Kew Publishing, Royal Botanic Gardens, Kew.
  • Clayton, W.D. (1970). Gramineae Flora of Tropical East Africa 1: 1-176.
  • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Cope, T.A., Knees, S.G. & Miller, A.G. (2007). Flora of the Arabian peninsula and Socotra 5(1): 1-387. Edinburgh University Press.
  • Danin, A. (2004). Distribution Atlas of Plants in the Flora Palaestina area: 1-517. The Israel Academy of Sciences and Humanities, Jerusalem.
  • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, 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.
  • Davis, P.H. (ed.) (1985). Flora of Turkey and the East Aegean Islands 9: 1-724. Edinburgh University Press, Edinburgh.
  • Dimopoulos, P., Raus, T., Bergmeier, E., Constantinidis, T., Iatrou, G., Kokkini, S., Strid, A., & Tzanoudakis, D. (2013). Vascular plants of Greece. An annotated checklist: 1-372. Botanic gardens and botanical museum Berlin-Dahlem, Berlin and Hellenic botanical society, Athens.
  • 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.
  • Edgar, E & Connor, H.E. (2010). Flora of New Zealand, ed. 2, 5: 1-650. R.E.Owen, Government Printer, Wellington.
  • Engelmaier, P. & Wilhalm, T. (2018). Alien grasses (Poaceae) in the flora of the Eastern Alps Neilreichia 9: 177-245.
  • Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.
  • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa: an annotated checklist. Strelitzia 14.: i-vi, 1-1231. National Botanical Institute, Pretoria.
  • 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. Missouri Botanical Garden.
  • Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.
  • Meikle, R.D. (1985). Flora of Cyprus 2: 833-1970. The Bentham-Moxon Trust Royal Botanic Gardens, Kew.
  • Orchard, A.E. (ed.) (1994). Oceanic Islands 1 Flora of Australia 49: 1-681. Australian Government Publishing Service, Canberra.
  • Saarela, J.M., Peterson, P.M. & Váldes-Reyna, J. (2014). A taxonomic revision of Bromus (Poaceae: Pooideae: Bromeae) in México and Central America Phytotaxa 185(1): 1-147.
  • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.
  • Wilson, A. (ed.) (2009). Flora of Australia 44A: 1-410. Australian Government Publishing Service, Canberra.

Literature

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.
  • Bor, N.L. (1968). Flora of Iraq 9: 1-588. Ministry of Agriculture & Agrarian Reform, Baghdad.
  • Boulos, L. (2005). Flora of Egypt 4: 1-617. Al Hadara Publishing, Cairo.
  • Clayton, W.D. (1970). Gramineae Flora of Tropical East Africa 1: 1-176.
  • Cope, T.A., Knees, S.G. & Miller, A.G. (2007). Flora of the Arabian peninsula and Socotra 5(1): 1-387. Edinburgh University Press.
  • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, 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.
  • Davis, P.H. (ed.) (1985). Flora of Turkey and the East Aegean Islands 9: 1-724. Edinburgh University Press, Edinburgh.
  • 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.
  • Edgar, E & Connor, H.E. (2010). Flora of New Zealand, ed. 2, 5: 1-650. R.E.Owen, Government Printer, Wellington.
  • Engelmaier, P. & Wilhalm, T. (2018). Alien grasses (Poaceae) in the flora of the Eastern Alps Neilreichia 9: 177-245.
  • Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.
  • Garcillán, P.P. & al. (2013). Plantas no nativas naturalizadas de la península de Baja California, México Botanical Sciences 91: 461-475.
  • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa: an annotated checklist. Strelitzia 14.: i-vi, 1-1231. National Botanical Institute, Pretoria.
  • Hassler, M. (2012). Flora of Rhodes. Systematic list of flora of Rhodes http://www.rz.uni-karlsruhe.de/~db111/flora/rhodos/list.php.
  • 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. Missouri Botanical Garden.
  • Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.
  • Kharkevich, S.S., Probatova, N.S. & Novikov, V.S. (1985). Sosudistye rasteniia sovetskogo Dal’nego Vostoka 1: 1-383. Izd-vo "Nauka," Leningradskoe otd-nie, Leningrad.
  • Meikle, R.D. (1985). Flora of Cyprus 2: 833-1970. The Bentham-Moxon Trust Royal Botanic Gardens, Kew.
  • Moran, R. (1996). The flora of Guadalupe island, Mexico Memoirs of the California Academy of Sciences 19: 1-190.
  • Orchard, A.E. (ed.) (1994). Oceanic Islands 1 Flora of Australia 49: 1-681. Australian Government Publishing Service, Canberra.
  • Takhtajan, A.L. (ed.) (2006). Konspekt Flora Kavkaza 2: 1-466. Editio Universitatis Petropolitanae.
  • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.
  • Wilson, A. (ed.) (2009). Flora of Australia 44A: 1-410. Australian Government Publishing Service, Canberra.
  • von Raab-Straube, E. (ed.) (2012-continuously updated). The Euro+Med PlantBase - the information resource for Euro-Mediterranean plant diversity http://ww2.bgbm.org/EuroPlusMed/query.asp.

Flora of Tropical East Africa

  • A.V. Bogdan, A Revised List of Kenya Grasses p. 14 (1958).
  • Roth, Bot. Abh.: 44 (1787).

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/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 http://creativecommons.org/licenses/by/3.0/

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