Lophatherum Brongn.
  • L.I.Duperrey, Voy. Monde, Phan.: 49 (1831) 


Notes: Distribution: Trop. & Subtrop. Asia to N. Queensland

General Description

HABIT Perennial. Culms 50-82.5-100 cm long. Ligule an eciliate membrane (1), or absent (1). Leaf-blade base without a false petiole (1), or with a false petiole (1). Leaf-blades lanceolate. Leaf-blade venation with distinct cross veins. INFLORESCENCE Inflorescence composed of racemes. Racemes borne along a central axis; unilateral. Rhachis angular. Spikelet packing crowded (1), or contiguous (1), or lax (1). Spikelets ascending (1/1); solitary. Fertile spikelets sessile. FERTILE SPIKELETS Spikelets comprising 1 fertile florets; with diminished florets at the apex. Spikelets lanceolate (1), or ovate (1); laterally compressed; 6-8.25-10 mm long; falling entire. GLUMES Glumes shorter than spikelet. Lower glume oblong (1), or ovate (1); 0.66-0.7275-0.75 length of upper glume; herbaceous; 1-keeled; 5 -veined. Lower glume surface glabrous (1), or pilose. Lower glume apex obtuse. Upper glume oblong (1), or ovate (1); 0.7-0.775-0.8 length of adjacent fertile lemma; herbaceous; 1-keeled; 5 -veined (1), or 7 -veined (1). Upper glume surface glabrous (1), or pilose. Upper glume apex obtuse. FLORETS Fertile lemma oblong (1), or ovate (1); herbaceous; keeled; 7 -veined. Lemma surface glabrous (1), or pilose (1). Lemma apex acute; mucronate (1), or awned (1); 1 -awned (1/1). Palea 2 -veined. Palea keels wingless (1), or winged (1); smooth (1), or scaberulous (1). Palea apex dentate. Apical sterile florets 5 in number (1), or 6 in number, or 7-12 in number (1); barren; in a clump; elliptic. Apical sterile lemmas awned. Apical sterile lemma awns glabrous (1), or retrorsely scabrous (1). FLOWER Lodicules 2. Anthers 2 (1/1). DISTRIBUTION Temperate Asia, or Tropical Asia (1), or Australasia (1), or Pacific (1).

Distribution Map

 
  • Native distribution
  • Introduced distribution
Found in
  • Asia-Temperate China China South-Central
  • China Southeast
  • Hainan
  • Eastern Asia Japan
  • Korea
  • Nansei-shoto
  • Taiwan
  • Asia-Tropical Indian Subcontinent Assam
  • Bangladesh
  • East Himalaya
  • India
  • Nepal
  • Sri Lanka
  • Indo-China Cambodia
  • Myanmar
  • Thailand
  • Vietnam
  • Malesia Borneo
  • Jawa
  • Lesser Sunda Is.
  • Malaya
  • Maluku
  • Philippines
  • Sulawesi
  • Sumatera
  • Papuasia New Guinea
  • Australasia Australia Queensland
Introduced into
  • Pacific Northwestern Pacific Caroline Is.
  • Marshall Is.
  • South-Central Pacific Society Is.

  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.