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This species is accepted, and its native range is W. U.S.A.
A specimen from Kew's Herbarium

[GB]
Morphology General Habit
Perennial. Culms 50-100 cm long. Leaf-sheaths glabrous on surface. Ligule an eciliate membrane; 1 mm long; erose. Leaf-blades 6-10 mm wide. Leaf-blade surface glabrous.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle contracted; linear; 8-12 cm long. Primary panicle branches appressed. Spikelets solitary. Fertile spikelets pedicelled.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 5-7 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 20-25 mm long; breaking up at maturity; disarticulating below each fertile floret.
Fertile
Spikelets comprising 5-7 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 20-25 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; 7-10 mm long; 0.75 length of upper glume; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 9-12 mm long; 0.7-0.9 length of adjacent fertile lemma; membranous; without keels; 3 -veined. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma oblong; 13 mm long; chartaceous; without keel; 5-7 -veined. Lemma midvein pubescent; hairy below. Lemma margins pubescent; hairy below. Lemma apex obtuse; awned; 1 -awned. Principal lemma awn subapical; 3-4 mm long overall. Apical sterile florets resembling fertile though underdeveloped.
Morphology Reproductive morphology Flowers
Lodicules 2; membranous. Anthers 3; 3 mm long. 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
North America: northwest USA and southwest .
Reference
Bromeae. Fl Pac NW 1994.

Native to:

California, Idaho, Nevada, Oregon, Washington

Bromus suksdorfii Vasey appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Stebbins, G.L. [3304], USA K000458351
Clausen, T. [4950], USA K000458350
Suksdorf, W.N. [74], Washington K000458353
Cusick, W.M.C. [1338], USA K000458352

First published in Bot. Gaz. 10: 223 (1885)

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.
  • Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.

Literature

Kew Backbone Distributions

  • Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.

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