Ixophorus Schltdl.
  • Linnaea 31: 420 (1862) 


Notes: Distribution: Mexico to Colombia, Caribbean

General Description

HABIT Perennial. Culms 50-140 cm long. Ligule an eciliate membrane. INFLORESCENCE Inflorescence composed of racemes. Racemes borne along a central axis; unilateral. Rhachis angular; terminating in a barren extension; extension bristle-like. Spikelet packing abaxial; 2 -rowed. Spikelets subtended by an involucre. Fertile spikelets sessile; 1 in the cluster. Involucre composed of bristles. Involucral bristles persistent; flexible. FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; 3.5-4.7 mm long; falling entire. GLUMES Glumes reaching apex of florets; thinner than fertile lemma. Lower glume ovate; herbaceous; without keels; 3 -veined. Lower glume apex acute. Upper glume ovate; 1.75 length of adjacent fertile lemma; herbaceous; without keels; 9-11 -veined. Upper glume apex acute. FLORETS Basal sterile florets male; with palea. Lemma of lower sterile floret ovate; cartilaginous; 5 -veined; acute. Palea of lower sterile floret becoming indurate on flanks at maturity; winged on keels. Fertile lemma elliptic; indurate; without keel. Lemma surface papillose. Lemma margins involute. Lemma apex apiculate. Palea indurate. DISTRIBUTION Pacific, or North America, or South America.

Distribution Map

 
  • Native distribution
  • Introduced distribution
Found in
  • Northern America Mexico Mexico Central
  • Mexico Gulf
  • Mexico Northeast
  • Mexico Northwest
  • Mexico Southeast
  • Mexico Southwest
  • Southern America Caribbean Cuba
  • Puerto Rico
  • Central America Belize
  • Costa Rica
  • El Salvador
  • Guatemala
  • Honduras
  • Nicaragua
  • Western South America Colombia
Introduced into
  • Pacific North-Central Pacific Hawaii
  • Southern America Brazil Brazil Southeast
  • Northern South America Guyana
  • Venezuela

  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.