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This species is accepted, and its native range is S. Syria to Jordan.
Bromus syriacus

[GB]
Morphology General Habit
Perennial; caespitose. Butt sheaths persistent and investing base of culm; with fibrous dead sheaths. Culms erect; 60-100 cm long. Leaf-sheaths pubescent and pilose. Ligule an eciliate membrane. Leaf-blades 2-6 mm wide; flaccid.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle open; oblong, or ovate; equilateral, or nodding; 10-20 cm long. Primary panicle branches appressed, or ascending; 3-6 cm long; bearing 1-2 fertile spikelets on each lower branch. Panicle branches capillary; scaberulous. Spikelets solitary. Fertile spikelets pedicelled.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 4-8 fertile florets; with diminished florets at the apex. Spikelets lanceolate, or oblong; laterally compressed; 20-30 mm long; breaking up at maturity; disarticulating below each fertile floret.
Fertile
Spikelets comprising 4-8 fertile florets; with diminished florets at the apex. Spikelets lanceolate, or oblong; laterally compressed; 20-30 mm long; breaking up at maturity; disarticulating below each fertile floret.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 5-6 mm long; 0.5-0.66 length of upper glume; scarious; much thinner on margins; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 9 mm long; 0.9-1 length of adjacent fertile lemma; scarious; with hyaline margins; 1-keeled; 3 -veined. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma lanceolate, or oblong; 9-11 mm long; chartaceous; much thinner on margins; without keel; 5-7 -veined. Lemma lateral veins with distinct primaries but obscure intermediates. Lemma apex dentate; 2 -fid; awned; 1 -awned. Principal lemma awn subapical; 3-5 mm long overall. Apical sterile florets resembling fertile though underdeveloped.
Morphology Reproductive morphology Flowers
Lodicules 2; membranous. Anthers 3. Ovary with a fleshy appendage above style insertion; pubescent on apex.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp; hairy at apex; apex fleshy. Hilum linear.
Distribution
Asia-temperate: western Asia.
Reference
Bromeae. Fl Pal 1997.

Native to:

Lebanon-Syria, Palestine

Bromus syriacus Boiss. & C.I.Blanche appears in other Kew resources:

First published in P.E.Boissier, Diagn. Pl. Orient., ser. 2, 4: 139 (1859)

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.
  • Danin, A. (2004). Distribution Atlas of Plants in the Flora Palaestina area: 1-517. The Israel Academy of Sciences and Humanities, Jerusalem.

Literature

Kew Backbone Distributions

  • Danin, A. (2004). Distribution Atlas of Plants in the Flora Palaestina area: 1-517. The Israel Academy of Sciences and Humanities, Jerusalem.

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

Kew Science Photographs
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/