Genus:
Avena L.

Avena byzantina K.Koch

This species is accepted, and its native range is a cultigen from E. Medit to Iran.

[GB]
Morphology General Habit
Annual. Culms erect, or geniculately ascending; 60-150 cm long. Culm-nodes glabrous. Lateral branches lacking. Ligule an eciliate membrane; 3-7 mm long. Leaf-blades 15-30 cm long; 2-6 mm wide. Leaf-blade surface glabrous. Leaf-blade margins scabrous.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle open; elliptic; 15-25 cm long. Spikelets pendulous; solitary. Fertile spikelets pedicelled. Pedicels filiform.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 3-4 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 27-30 mm long; breaking up at maturity; disarticulating above glumes but not between florets. Floret callus evident; bearded; obtuse; fracturing irregularly; with elliptic scar. Floret callus hairs 3-5.5 mm long.
Fertile
Spikelets comprising 3-4 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 27-30 mm long; breaking up at maturity; disarticulating above glumes but not between florets. Floret callus evident; bearded; obtuse; fracturing irregularly; with elliptic scar. Floret callus hairs 3-5.5 mm long.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; exceeding apex of florets; thinner than fertile lemma; gaping. Lower glume lanceolate; 25-30 mm long; 1 length of upper glume; membranous; without keels; 7 -veined. Lower glume apex acuminate. Upper glume elliptic; 28-33 mm long; 1.5-1.8 length of adjacent fertile lemma; membranous; without keels; 9 -veined. Upper glume apex acuminate.
Morphology Reproductive morphology Flowers Florets
Fertile lemma lanceolate; 15-20 mm long; coriaceous; much thinner above; without keel; 7 -veined. Lemma apex dentate; 2 -fid; with lobes 1.5 mm long; awned; 1 -awned. Principal lemma awn dorsal; arising 0.5 way up back of lemma; straight, or curved; 25-33 mm long overall; without a column. Palea 12-15 mm long. Palea keels ciliolate.
Morphology Reproductive morphology Flowers
Anthers 3. Ovary pubescent all over.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp; sulcate on hilar side; hairy all over. Hilum linear.
Distribution
Europe: southwestern and southeastern. Africa: north, east tropical, south, and western Indian ocean. Asia-temperate: Soviet Middle Asia, Caucasus, western Asia, and Arabia. Asia-tropical: India. Australasia: Australia and New Zealand. South America: western South America, Brazil, and southern South America.
Reference
Aveneae. Fl Turk 1993.

Native to:

Cyprus, Greece, Iran, Saudi Arabia, Transcaucasus, Turkey

Introduced into:

Algeria, Argentina Northeast, Argentina Northwest, Argentina South, Azores, Bolivia, Cape Provinces, East Aegean Is., India, Mauritius, Morocco, New Zealand North, New Zealand South, Norfolk Is., Pakistan, Spain, Tanzania, Uruguay, West Himalaya

Avena byzantina K.Koch appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Todaro, A. [712], Italy K000808550
Trabut [s.n.], Algeria K000345131

First published in Linnaea 21: 392 (1848)

Accepted by

  • Bor, N.L. (1970). Flora Iranica 70: 1-573. Naturhistorisches Museums Wien.
  • Bosser, J. & Renvoize, S.A. (2018). Flore des Mascareignes 203: 1-276. IRD Éditions, MSIRI, RBG-Kew, Paris.
  • 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. (1982). Flora of Pakistan 143: 1-678. Department of Botany, University of Karachi, Karachi.
  • Cope, T.A., Knees, S.G. & Miller, A.G. (2007). Flora of the Arabian peninsula and Socotra 5(1): 1-387. Edinburgh University Press.
  • Edgar, E & Connor, H.E. (2010). Flora of New Zealand, ed. 2, 5: 1-650. R.E.Owen, Government Printer, Wellington.
  • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa: an annotated checklist. Strelitzia 14.: i-vi, 1-1231. National Botanical Institute, Pretoria.
  • 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.
  • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.
  • 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.
  • 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. Missouri Botanical Garden.

Literature

Kew Backbone Distributions

  • (2021). https://doi.org/10.11646/phytotaxa.501.2.1 epublication.
  • Cope, T.A., Knees, S.G. & Miller, A.G. (2007). Flora of the Arabian peninsula and Socotra 5(1): 1-387. Edinburgh University Press.
  • 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.
  • Edgar, E & Connor, H.E. (2010). Flora of New Zealand, ed. 2, 5: 1-650. R.E.Owen, Government Printer, Wellington.
  • 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.
  • Hubbard, C.E. & Vaughan, R.E. (1940). Grasses of Mauritius and Rodriguez: 1-128. Crown Agents for the Colonies, London.
  • 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.
  • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.
  • Takhtajan, A.L. (ed.) (2006). Konspekt Flora Kavkaza 2: 1-466. Editio Universitatis Petropolitanae.
  • 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. Missouri Botanical Garden.

  • GrassBase - The Online World Grass Flora

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  • 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 2022. 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 2022. 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