Soderstromia C.V.Morton
  • Leafl. W. Bot. 10: 327 (1966) 


Notes: nom nov

General Description

HABIT Perennial. Stolons present. Culms 10-30 cm long. Ligule a fringe of hairs. INFLORESCENCE Monoecious, or dioecious. Inflorescence composed of racemes. Racemes borne along a central axis; bearing a triad of spikelets. Rhachis obsolete; deciduous from axis. Spikelets in threes. Fertile spikelets pedicelled. Companion sterile spikelets sessile; 2 in the cluster. Male spikelets sessile; 3 in a cluster. Pedicels oblong. STERILE SPIKELETS Companion sterile spikelets represented by single glumes; deciduous with the fertile. Companion sterile spikelet glumes muticous. FERTILE SPIKELETS Spikelets comprising 1 fertile florets; with diminished florets at the apex. Spikelets lanceolate; laterally compressed; 3-3.5 mm long; falling entire; deciduous with accessory branch structures. GLUMES Glumes one the lower absent or obscure; shorter than spikelet; thinner than fertile lemma. Upper glume cuneate; 0.66 length of adjacent fertile lemma; membranous; without keels; 2 -veined. Upper glume apex erose; truncate. FLORETS Fertile florets female. Fertile lemma elliptic; cartilaginous; without keel; 3 -veined. Lemma apex lobed; 3 -fid; incised 0.33 of lemma length; acute. Apical sterile florets 1 in number; barren; rudimentary. Apical sterile lemmas awned. MALE Male inflorescence terminal; similar to female; of racemes along a central axis. Male spikelets resembling female; lanceolate. Male spikelet glumes 1; muticous. Male spikelet lemma muticous. DISTRIBUTION North America, or South America.

  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.