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This species is accepted, and its native range is Netherlands (S. Limburg), S. Belgium, Luxembourgh, N. France (near Givet).
A specimen from Kew's Herbarium

[GB]
Morphology General Habit
Annual. Culms erect; 60-130 cm long. Leaf-sheaths glabrous on surface. Ligule an eciliate membrane. Leaf-blades 5-10 mm wide.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle open; ovate; nodding; 18-20 cm long. Spikelets solitary. Fertile spikelets pedicelled.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 5-10 fertile florets; with diminished florets at the apex. Spikelets lanceolate, or ovate; laterally compressed; compressed slightly; 25-30 mm long; breaking up at maturity; disarticulating below each fertile floret.
Fertile
Spikelets comprising 5-10 fertile florets; with diminished florets at the apex. Spikelets lanceolate, or ovate; laterally compressed; compressed slightly; 25-30 mm long; breaking up at maturity; disarticulating below each fertile floret.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; shorter than spikelet. Lower glume lanceolate; 0.75 length of upper glume; coriaceous; without keels; 3-5 -veined. Lower glume lateral veins prominent. Lower glume surface glabrous, or pubescent. Lower glume apex attenuate. Upper glume lanceolate; 0.75 length of adjacent fertile lemma; coriaceous; without keels; 5-7 -veined. Upper glume primary vein conspicuous. Upper glume surface glabrous, or pubescent. Upper glume apex attenuate.
Morphology Reproductive morphology Flowers Florets
Fertile lemma oblong; 12-14 mm long; chartaceous; without keel; 7 -veined. Lemma lateral veins prominent. Lemma surface glabrous, or pubescent. Lemma margins involute. Lemma apex dentate; 2 -fid; awned; 3 -awned. Principal lemma awn subapical; 8-12 mm long overall. Lateral lemma awns 1-3 mm long. Apical sterile florets resembling fertile though underdeveloped.
Morphology Reproductive morphology Flowers
Lodicules 2; membranous. Anthers 3; 2-3 mm long. Ovary with a fleshy appendage above style insertion; pubescent on apex.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp; concavo-convex; 3 mm long; hairy at apex; apex fleshy. Hilum linear.
Distribution
Europe: central.
Reference
Bromeae. Fl Eur 1995.

Extinct in:

Belgium, France, Germany, Great Britain, Netherlands

Introduced into:

Germany, Great Britain

Bromus bromoideus (Lej.) Crép. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Lejeune, A.L.S. [s.n.], France K000913567

First published in Bull. Soc. Roy. Bot. Belgique 6: 399 (1867)

Accepted by

  • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Hadinec, J. & Lustyk, P. (eds.) (2014). Additamenta ad floram Reipublicae Bohemicae. XII Zprávy Ceské Botanické Spolecnosti 49: 73-206.
  • Humphreys, A.M., Govaerts, R., Ficinski, S.Z., Nic Lughadha, E. & Vorontsova, M.S. (2019). Global dataset shows geography and life form predict modern plant extinction and rediscovery Nature Ecology & Evolution 3: 1043-1047.
  • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.
  • Tutin, T.G. & al. (eds.) (1995). Flora Europaea electonic dataset.

Literature

Kew Backbone Distributions

  • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.

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