Athroostachys Benth.
  • G.Bentham & J.D.Hooker, Gen. Pl. 3: 1208 (1883) 


Notes: Distribution: Brazil

General Description

HABIT Perennial. Rhizomes short; pachymorph. Culms scandent; 300-800 cm long; woody. Culm-internodes terete. Lateral branches dendroid. Branch complement three; in a horizontal line; with subequal branches. Ligule an eciliate membrane. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades lanceolate. INFLORESCENCE Synflorescence bractiferous; globose; with glumaceous subtending bracts; without axillary buds at base of spikelet. Fertile spikelets pedicelled. FERTILE SPIKELETS Spikelets comprising 1 fertile florets; with diminished florets at the apex. Spikelets lanceolate; laterally compressed; 13-16 mm long; breaking up at maturity; disarticulating below each fertile floret. GLUMES Glumes persistent; shorter than spikelet; thinner than fertile lemma. Lower glume ovate; 1 length of upper glume; chartaceous; without keels; 7 -veined. Lower glume apex acute; awned. Upper glume ovate; 0.3-0.4 length of adjacent fertile lemma; chartaceous; without keels; 7 -veined. Upper glume apex acute; awned; 1 -awned. FLORETS Fertile lemma ovate; coriaceous; keeled; 7 -veined. Lemma surface pubescent. Lemma apex acuminate. Palea 1 length of lemma. Palea keels ciliate. Apical sterile florets 1 in number; barren; lanceolate. FLOWER Lodicules 3; membranous; ciliate. Anthers 3. Stigmas 2. DISTRIBUTION South America.

Distribution Map

 
  • Native distribution
Found in
  • Southern America Brazil Brazil Northeast

  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.