Aniselytron Merr.
  • Philipp. J. Sci., C 5: 328 (1910) 

Notes: Distribution: E. Himalaya to Japan and Philippines

General Description

HABIT Perennial. Culms geniculately ascending (1), or decumbent (1); slender (1/1); 20-32.5-50 cm long. Lateral branches lacking (1/1). Ligule an eciliate membrane. INFLORESCENCE Inflorescence a panicle. Panicle open. Spikelets solitary. Fertile spikelets pedicelled. FERTILE SPIKELETS Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate, or ovate (1); laterally compressed; 2.5-3.101-4.2 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus glabrous (1), or sparsely hairy (1); obtuse (1), or acute (1). GLUMES Glumes one the lower absent or obscure (1), or two; persistent; shorter than spikelet; thinner than fertile lemma (1), or firmer than fertile lemma (1). Lower glume lanceolate (1), or orbicular (1); 0.05-0.4-0.75 length of upper glume; hyaline (1), or membranous (1); 1-keeled (1/1); 1 -veined (1/1). Lower glume lateral veins absent (1), or distinct (1). Lower glume surface smooth (1), or scabrous (1). Lower glume apex truncate (1), or acute (1). Upper glume lanceolate; 0.4-0.65-0.8 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume surface smooth (1), or scabrous (1). Upper glume apex acute (1), or acuminate (1). FLORETS Fertile lemma ovate; membranous (1), or cartilaginous (1); keeled; 5 -veined. Lemma midvein without distinctive roughness (1), or scaberulous (1). Lemma lateral veins obscure (1/1). Lemma surface smooth (1), or scabrous (1). Lemma apex entire (1), or dentate (1); 2 -fid (1/1); acute (1), or acuminate (1). Palea 1 length of lemma; hyaline (1), or membranous (1); 2 -veined. Palea keels separated (1), or approximate (1); smooth (1), or scaberulous (1). FLOWER Lodicules 2 (1/1). Anthers 3. Stigmas 2 (1/1). FRUIT Caryopsis with adherent pericarp (1/1). Hilum punctiform (1/1). DISTRIBUTION Temperate Asia, or Tropical Asia.

Distribution Map

  • Native distribution
Found in
  • Asia-Temperate China China South-Central
  • China Southeast
  • Eastern Asia Japan
  • Taiwan
  • Asia-Tropical Indian Subcontinent East Himalaya
  • Indo-China Myanmar
  • Vietnam
  • Malesia Malaya
  • Philippines
  • Sumatera


  • 1 Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.

 Information From

GrassBase - The Online World Grass Flora
Clayton, W.D., Vorontsova, M.S., Harman, K.T. and Williamson, H. (2006 onwards). GrassBase - The Online World Grass Flora. [accessed 24 January 2012; 14:30 GMT]
  • A © Copyright The Board of Trustees, Royal Botanic Gardens, Kew.
eMonocot. (2010, 1st November). Retrieved Wednesday, 8th February, 2012, from
  • B Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
World Checklist of Selected Plant Families
WCSP 2014. 'World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; Retrieved 2011 onwards
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