Ophiochloa Filg.
  • Novon 3: 360 (1993) 


Notes: Distribution: WC. Brazil

General Description

HABIT Annual (1), or perennial (1). Culms erect (1), or geniculately ascending (1); 3-33.12-78 cm long. Lateral branches lacking (1/1). Leaf-sheaths open for most of their length (1/1). Ligule a fringe of hairs. Leaf-blades filiform. INFLORESCENCE Inflorescence composed of racemes; terminal (1), or terminal and axillary (1). Racemes single; ascending (1), or drooping (1); unilateral. Rhachis narrowly winged (1), or broadly winged (1); membranous (1/1); folded longitudinally to embrace spikelets; terminating in a barren extension. Spikelet packing adaxial. Spikelets appressed; solitary. Fertile spikelets sessile. FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate (1), or ovate (1); dorsally compressed; 1.4-2.1-3.1 mm long; falling entire. GLUMES Glumes one the lower absent or obscure; reaching apex of florets; thinner than fertile lemma. Upper glume lanceolate (1), or ovate (1); hyaline; without keels; 2 -veined (1/1). Upper glume surface asperulous (1), or scabrous (1). Upper glume apex entire (1), or erose (1); acute. FLORETS Basal sterile florets barren; without significant palea. Lemma of lower sterile floret lanceolate; hyaline; 2 -veined; emarginate (1), or acute (1); awned. Fertile lemma oblong (1), or ovate (1); dorsally compressed; membranous; of similar consistency above (1), or much thinner above (1); without keel. Lemma margins exposing palea (1), or covering most of palea (1). Lemma apex acute. Palea embraced by lemma (1), or gaping (1); 1 length of lemma; hyaline (1), or membranous (1); 2 -veined. Palea apex dentate. FLOWER Lodicules 2 (1/1). Anthers 2. Stigmas 2 (1/1). FRUIT Caryopsis with adherent pericarp; oblong (1), or ovoid (1), or obovoid (1). Embryo 0.33-0.4325-0.5 length of caryopsis. Hilum punctiform (1), or elliptic; 0.25 length of caryopsis. DISTRIBUTION South America.

Distribution Map

 
  • Native distribution
Found in
  • Southern America Brazil Brazil West-Central

  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.