Arctophila (Rupr.) Andersson
  • Pl. Scand. 2: 48 (1852) 


Notes: Distribution: Subarctic to Canada

General Description

HABIT Perennial. Rhizomes elongated. Culms 15-80 cm long. Ligule an eciliate membrane. INFLORESCENCE Inflorescence a panicle. Panicle open. Spikelets solitary. Fertile spikelets pedicelled. Pedicels linear, or oblong. FERTILE SPIKELETS Spikelets comprising 2-6 fertile florets; without rhachilla extension, or with diminished florets at the apex. Spikelets oblong, or ovate; laterally compressed; 2.5-7 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pilose. GLUMES Glumes persistent; shorter than spikelet. Lower glume ovate; 0.75 length of upper glume; membranous; 1-keeled; 1-3 -veined. Lower glume apex acute. Upper glume ovate; 0.9-1 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume apex acute. FLORETS Fertile lemma oblong; membranous; much thinner above; keeled; 3 -veined. Lemma lateral veins obscure; less than two thirds length of lemma. Lemma apex erose; acute. Palea 0.75 length of lemma; 2 -veined. Apical sterile florets resembling fertile though underdeveloped. FLOWER Anthers 3. FRUIT Caryopsis with adherent pericarp. Hilum elliptic. DISTRIBUTION Europe, or Temperate Asia, or North America.

Distribution Map

 
  • Native distribution
Found in
  • Asia-Temperate Russian Far East Kamchatka
  • Khabarovsk
  • Magadan
  • Siberia Krasnoyarsk
  • West Siberia
  • Yakutskiya
  • Europe Eastern Europe North European Russia
  • Northern Europe Finland
  • Svalbard
  • Sweden
  • Northern America Eastern Canada Labrador
  • Ontario
  • Québec
  • Subarctic America Alaska
  • Greenland
  • Northwest Territories
  • Nunavut
  • Yukon
  • Western Canada British Columbia
  • Manitoba

  Bibliography

  • 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
http://www.kew.org/data/grasses-db/
Clayton, W.D., Vorontsova, M.S., Harman, K.T. and Williamson, H. (2006 onwards). GrassBase - The Online World Grass Flora. http://www.kew.org/data/grasses-db.html. [accessed 24 January 2012; 14:30 GMT]
  • A © Copyright The Board of Trustees, Royal Botanic Gardens, Kew.
eMonocot
http://e-monocot.org
eMonocot. (2010, 1st November). Retrieved Wednesday, 8th February, 2012, from http://e-monocot.org.
  • B Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
World Checklist of Selected Plant Families
http://apps.kew.org/wcsp/
WCSP 2014. 'World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://apps.kew.org/wcsp/ Retrieved 2011 onwards
  • C See http://kew.org/about-kew/website-information/legal-notices/index.htm 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.