Brachyelytrum P.Beauv.
  • Ess. Agrostogr.: 39 (1812) 

Notes: Distribution: China to Japan, E. Canada to C. & E. U.S.A.

General Description

HABIT Perennial. Rhizomes short. Culms 28.5-62.41-102 cm long. Ligule an eciliate membrane. Leaf-blades linear, or lanceolate. Leaf-blade venation without cross veins, or with obscure cross veins. INFLORESCENCE Inflorescence a panicle. Panicle open. Spikelets solitary. Fertile spikelets sessile. FERTILE SPIKELETS Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; dorsally compressed; 9-10.33-12 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; pubescent (1), or pilose (2). GLUMES Glumes persistent; shorter than spikelet; thinner than fertile lemma. Lower glume ovate; 0.15-0.3333-0.5 length of upper glume; membranous; without keels; 0 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 0.2-0.4333-0.8 length of adjacent fertile lemma; membranous; without keels; 1-3 -veined. Upper glume apex acute. FLORETS Fertile lemma elliptic; herbaceous; without keel; 5 -veined. Lemma lateral veins obscure (2), or prominent (1). Lemma surface smooth (1), or scaberulous, or scabrous (1); glabrous (1), or hispidulous (1), or hispid (1); hairy on veins (2/2). Lemma apex acuminate; awned; 1 -awned. Palea tightly convolute around flower; 2 -veined. Palea keels smooth (2), or scaberulous (1). Palea apex dentate (1/1). FLOWER Lodicules 2. Anthers 2. Stigmas 2. Ovary unappendaged (2), or beaked (1); pubescent all over (1/1). FRUIT Caryopsis with tardily free pericarp; linear; apex rostrate (1/1). DISTRIBUTION Temperate Asia (1), or North America (2).

Distribution Map

  • Native distribution
  • Introduced distribution
Found in
  • Asia-Temperate China China North-Central
  • China South-Central
  • China Southeast
  • Eastern Asia Japan
  • Korea
  • Northern America Eastern Canada New Brunswick
  • Newfoundland
  • Nova Scotia
  • Ontario
  • Prince Edward I.
  • Québec
  • North-Central U.S.A. Illinois
  • Iowa
  • Kansas
  • Minnesota
  • Missouri
  • Nebraska
  • Oklahoma
  • Wisconsin
  • Northeastern U.S.A. Connecticut
  • Indiana
  • Maine
  • Masachusettes
  • Michigan
  • New Hampshire
  • New Jersey
  • New York
  • Ohio
  • Pennsylvania
  • Rhode I.
  • Vermont
  • West Virginia
  • South-Central U.S.A. Texas
  • Southeastern U.S.A. Alabama
  • Arkansas
  • Delaware
  • District of Columbia
  • Florida
  • Georgia
  • Kentucky
  • Louisiana
  • Maryland
  • Mississippi
  • North Carolina
  • South Carolina
  • Tennessee
  • Virginia
Introduced into
  • Southern America Caribbean Puerto Rico


  • 1 Govaerts, R.H.A. (2011). World checklist of selected plant families published update. Facilitated by the Trustees of the Royal Botanic Gardens, Kew.

 Information From

GrassBase - The Online World Grass Flora
Clayton, W.D., Vorontsova, M.S., Harman, K.T. and Williamson, H. (2006 onwards). GrassBase - The Online World Grass Flora. [accessed 24 January 2012; 14:30 GMT]
  • A © Copyright The Board of Trustees, Royal Botanic Gardens, Kew.
eMonocot. (2010, 1st November). Retrieved Wednesday, 8th February, 2012, from
  • B Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
World Checklist of Selected Plant Families
WCSP 2014. 'World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; Retrieved 2011 onwards
  • C See You may use data on these Terms and Conditions and on further condition that: The data is not used for commercial purposes; You may copy and retain data solely for scholarly, educational or research purposes; You may not publish our data, except for small extracts provided for illustrative purposes and duly acknowledged; You acknowledge the source of the data by the words "With the permission of the Trustees of the Royal Botanic Gardens, Kew" in a position which is reasonably prominent in view of your use of the data; Any other use of data or any other content from this website may only be made with our prior written agreement.