Zizania L.
  • Sp. Pl.: 991 (1753) 


General Description

HABIT Annual (3), or perennial (2). Stolons absent (3), or present (2). Culms erect (1/2), or decumbent (1/2); reed-like (2/2); 90-163.7-300 cm long; spongy; rooting from lower nodes (1/1). Ligule an eciliate membrane. Leaf-blades herbaceous (3), or coriaceous (1). Leaf-blade margins cartilaginous (1/1). INFLORESCENCE Monoecious; with male and female spikelets in the same inflorescence. Inflorescence a panicle. Panicle open. Sexes segregated; on unisexual branches; with male below. Spikelets appressed (1/1); solitary. Fertile spikelets pedicelled. Male spikelets pedicelled. Pedicels tip cupuliform. FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate (3), or oblong (1); laterally compressed; 8-16.73-33 mm long; falling entire. GLUMES Glumes both absent or obscure. FLORETS Fertile florets female. Fertile lemma linear (1), or lanceolate (2), or oblong (2); chartaceous (3), or coriaceous (1); without keel; 3 -veined. Lemma surface smooth (3), or scaberulous (2). Lemma margins flat (1), or interlocking with palea margins (3). Lemma apex acute (1), or acuminate (3); awned; 1 -awned. Palea 1 length of lemma; 2 -veined (1), or 3 -veined (3); without keels. FLOWER Lodicules 2. Anthers 6. FRUIT Caryopsis with adherent pericarp; linear (3/3). MALE Male spikelets distinct from female; linear (3/3). Male spikelet glumes absent. Male spikelet lemma muticous (3), or awned (2). DISTRIBUTION Europe (2), or Temperate Asia (2), or Tropical Asia (1), or Australasia (1), or Pacific (1), or North America (3).

  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.