Echinopogon P.Beauv.
  • Ess. Agrostogr.: 42 (1812) 


Notes: Distribution: Lesser Sunda Is. to New Guinea, S. & E. Australia to New Zealand

General Description

HABIT Perennial. Rhizomes absent (2), or elongated (5). Culms erect (6), or geniculately ascending; 10-50.71-100 cm long. Lateral branches lacking (6/6). Ligule an eciliate membrane. Leaf-blades linear, or lanceolate (3); stiff (1), or firm (6). Leaf-blade apex muticous, or pungent (3). INFLORESCENCE Inflorescence a panicle. Panicle spiciform (5), or capitate (5). Spikelets appressed (2/6), or ascending (2/6), or spreading (4/6); solitary. Fertile spikelets pedicelled. Pedicels oblong. FERTILE SPIKELETS Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets linear (2), or lanceolate (3), or oblong (4); laterally compressed; 2.5-5.071-10 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus brief (4), or evident (3); pubescent (3/6), or bearded (3/6). GLUMES Glumes persistent; reaching apex of florets (4), or exceeding apex of florets (3); thinner than fertile lemma. Lower glume lanceolate; 1 length of upper glume; membranous (6), or chartaceous (1), or scarious (1); 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume surface glabrous (5), or puberulous (1), or pubescent (1). Lower glume apex obtuse (2), or acute (4), or acuminate (1), or attenuate (2). Upper glume lanceolate; 1-1.107-1.4 length of adjacent fertile lemma; membranous (6), or chartaceous (1), or scarious (1); 1-keeled; 1 -veined. Upper glume primary vein eciliate (3), or ciliolate (4), or ciliate (2). Upper glume surface glabrous (5), or puberulous (1), or pubescent (1). Upper glume apex obtuse (2), or acute (4), or acuminate (1), or attenuate (2). FLORETS Fertile lemma lanceolate (6), or elliptic (1), or oblong (2); cartilaginous; keeled; 5 -veined, or 6-7 -veined (6), or 8-9 -veined (1). Lemma surface glabrous (6), or hispidulous (1). Lemma apex entire (3), or dentate (6); 2 -fid (6/6); emarginate (1), or obtuse (1), or acute (6); mucronate (1), or awned (6); 1 -awned (3/6), or 3 -awned (4/6). Principal lemma awn apical (3), or from a sinus (6). Lateral lemma awns shorter than principal (4/4). Palea 1 length of lemma; 2 -veined. Palea keels smooth (6), or scaberulous (1), or scabrous (1); eciliate (3), or ciliolate (6). FLOWER Anthers 3. Ovary glabrous (3/6), or pubescent on apex (4/6). FRUIT Caryopsis with adherent pericarp; ellipsoid (1/3), or oblong (2/3). Hilum linear. DISTRIBUTION Tropical Asia (2), or Australasia.

Distribution Map

 
  • Native distribution
Found in
  • Asia-Tropical Malesia Lesser Sunda Is.
  • Papuasia New Guinea
  • Australasia Australia New South Wales
  • Norfolk Is.
  • Queensland
  • South Australia
  • Tasmania
  • Victoria
  • Western Australia
  • New Zealand Chatham Is.
  • New Zealand North
  • New Zealand South

  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.