Aciachne Benth.
  • Hooker's Icon. Pl. 14: 44 (1881) 

Notes: Distribution: Costa Rica to NW. Argentina

General Description

HABIT Perennial. Culms 1-2-3 cm long. Lateral branches ample (2/2). Ligule an eciliate membrane. Leaf-blades aciculate; stiff. Leaf-blade apex pungent. INFLORESCENCE Inflorescence comprising only a few spikelets. Spikelets solitary. FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 2.49-3.881-4.6 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus glabrous (2/2); truncate. GLUMES Glumes persistent; shorter than spikelet. Lower glume oblong (1), or ovate (2); 1 length of upper glume; coriaceous; without keels; 3-5 -veined. Lower glume apex obtuse. Upper glume oblong (1), or ovate (2); 0.5 length of adjacent fertile lemma; coriaceous; without keels; 3-5 -veined. Upper glume apex obtuse. FLORETS Fertile lemma oblong; subterete; lanceolate in profile; coriaceous; without keel; 3 -veined. Lemma margins convolute; covering most of palea. Lemma apex rostrate. Palea coriaceous; 2 -veined; without keels. FLOWER Lodicules 3; membranous. Anthers 3. Stigmas 2 (2/2). FRUIT Caryopsis with adherent pericarp (2/2). Hilum punctiform (2/2). DISTRIBUTION South America.

Distribution Map

  • Native distribution
Found in
  • Southern America Central America Costa Rica
  • Northern South America Venezuela
  • Southern South America Argentina Northwest
  • Western South America Bolivia
  • Colombia
  • Ecuador
  • Peru


  • 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
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
  • C See 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.