Spartina Schreb.
  • Gen. Pl.: 43 (1789) 


General Description

HABIT Perennial. Rhizomes absent (4), or short (2), or elongated (11). Culms erect; robust (1/1); 15-124.5-350 cm long; spongy (2), or firm (15); rooting from lower nodes (1/1). Ligule a fringe of hairs. Leaf-blades persistent (15), or deciduous at the ligule (1); filiform (3), or linear (13); stiff (1), or firm (15). INFLORESCENCE Inflorescence composed of racemes; exserted, or embraced at base by subtending leaf (2). Racemes paired (1), or digitate (5), or borne along a central axis; not compacted (12), or in a multilateral false spike (4); appressed (9), or erect (5), or ascending (1), or spreading (2); unilateral; bearing 8-26-80 fertile spikelets on each. Rhachis angular; terminating in a spikelet (12), or barren extension (5); extension bristle-like (4/4). Spikelet packing broadside to rhachis; 2 -rowed. Spikelets appressed (9), or pectinate (7); solitary. Fertile spikelets sessile (15), or pedicelled (1). FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear (1), or lanceolate (7), or oblong (11), or ovate (2); laterally compressed; 5-11.87-25 mm long; falling entire. GLUMES Glumes reaching apex of florets (4), or exceeding apex of florets (13). Lower glume linear (15), or lanceolate (1); 0.25-0.5459-0.8 length of upper glume; membranous; 1-keeled; 1 -veined, or 2-3 -veined (2). Lower glume lateral veins absent (15), or obscure (1), or distinct (1). Lower glume surface glabrous (13), or puberulous (3), or pubescent (3), or pilose (4). Lower glume apex obtuse (3), or acute (12), or acuminate (5); muticous (15), or mucronate (1), or awned (1). Upper glume lanceolate (15), or oblong (1); 1-1.184-1.5 length of adjacent fertile lemma; herbaceous (15), or scarious (1); with undifferentiated margins (11), or membranous margins (5); 1-keeled; 1-2 -veined (7), or 3 -veined (15), or 4-6 -veined (2), or 7-9 -veined (1). Upper glume primary vein eciliate (8), or ciliolate (4), or ciliate (5), or pectinately ciliate (1). Upper glume surface smooth, or asperulous (1), or scabrous (1); glabrous (11), or puberulous (5), or pubescent (3), or pilose (4). Upper glume apex obtuse (3), or acute (8), or acuminate (8), or attenuate (1); muticous (15), or mucronate (1), or awned (2); 1 -awned (2/2). FLORETS Fertile lemma oblong (12), or ovate (4); herbaceous; of similar consistency on margins (11), or much thinner on margins (5); keeled; 1 -veined (5), or 2 -veined (4), or 3 -veined (15), or 4-5 -veined (1). Lemma midvein without distinctive roughness (15), or scabrous (1); eciliate (8), or ciliolate (4), or ciliate (3), or pectinately ciliate (1). Lemma surface smooth (15), or scaberulous (2); glabrous (13), or puberulous (4), or pubescent (1), or pilose (3). Lemma margins eciliate (14), or ciliolate (4), or ciliate (1). Lemma apex entire (15), or dentate (1); 2 -fid (1/1); emarginate (3/14), or obtuse (7/14), or acute (8/14), or acuminate (2/14). Palea 1.1 length of lemma; 2 -veined. Palea keels smooth (15), or scaberulous (1). FLOWER Lodicules absent. Anthers 3. Stigmas plumose (12), or pubescent (4). FRUIT Caryopsis with tardily free pericarp (4/4); linear (4/4). Embryo 0.6-0.9-1 length of caryopsis. Hilum punctiform (5/5). DISTRIBUTION Europe (6), or Africa (2), or Temperate Asia (2), or Australasia (4), or North America (8), or South America (6), or Antarctica (1).

  Bibliography

  • 1 Saarela, J.M. (2012). Taxonomic synopsis of invasive and native Spartina (Poaceae, Chloridoideae) in the Pacific Northwest (British Columbia, Washington, Oregon), including the first report of Spartina ×townsendii for British Columbia, Canada. PhytoKeys 10: 25-82.
  • 2 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.