Actinocladum McClure ex Soderstr.
  • Amer. J. Bot. 68: 1201 (1981) 


Notes: Distribution: Brazil

General Description

HABIT Perennial. Rhizomes short; pachymorph. Culms erect; 300-460 cm long; woody. Culm-internodes terete. Lateral branches dendroid. Branch complement many; flabellate; with subequal branches; thinner than stem. Culm-sheaths deciduous; auriculate. Culm-sheath blade ovate; constricted at base. Ligule an eciliate membrane. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades lanceolate. INFLORESCENCE Inflorescence a panicle, or comprising only a few spikelets; axillary. Panicle open. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform. FERTILE SPIKELETS Spikelets comprising 7-10 fertile florets; with diminished florets at the apex. Spikelets linear; laterally compressed; 60-75 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes pilose. GLUMES Glumes persistent; shorter than spikelet; firmer than fertile lemma. Lower glume ovate; 0.7-0.75 length of upper glume; coriaceous; without keels; 5 -veined. Lower glume apex acute. Upper glume ovate; 0.6-0.7 length of adjacent fertile lemma; coriaceous; without keels; 11 -veined. Upper glume apex acute. FLORETS Fertile lemma ovate; chartaceous; without keel; 13 -veined. Lemma apex acute. Palea 1.1 length of lemma; chartaceous; 18 -veined. Palea keels winged; ciliolate. Apical sterile florets resembling fertile though underdeveloped. FLOWER Lodicules 3; glabrous, or ciliate. Anthers 3. Stigmas 2. Ovary umbonate; pubescent on apex. FRUIT Caryopsis with free brittle pericarp; ellipsoid. Embryo 0.15 length of caryopsis. Hilum linear; 1 length of caryopsis. DISTRIBUTION South America.

Distribution Map

 
  • Native distribution
Found in
  • Southern America Brazil Brazil North
  • Brazil Northeast
  • Brazil Southeast
  • 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.