Steyermarkochloa Davidse & R.P.Ellis
  • Ann. Missouri Bot. Gard. 71: 995 (1985) 


General Description

HABIT Perennial. Culms erect; 40-350 cm long. Ligule absent. INFLORESCENCE Monoecious; with male and female spikelets in the same inflorescence. Synflorescence on a separate leafless culm. Inflorescence a panicle. Panicle spiciform. Sexes segregated; with male below. Spikelets solitary. Fertile spikelets pedicelled. Male spikelets pedicelled. Pedicels oblong. FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; with diminished florets at the apex. Spikelets lanceolate; dorsally compressed; 9-17 mm long; falling entire. GLUMES Glumes shorter than spikelet. Lower glume lanceolate; 1-1.3 length of upper glume; herbaceous; 2-keeled; 3-7 -veined. Lower glume surface flat. Lower glume apex truncate, or obtuse. Upper glume lanceolate; 0.33 length of adjacent fertile lemma; herbaceous; without keels; 3-6 -veined. Upper glume apex truncate, or obtuse. FLORETS Basal sterile florets barren; without significant palea. Lemma of lower sterile floret lanceolate; herbaceous; 5-9 -veined; ribbed; obtuse. Fertile florets female. Fertile lemma lanceolate; herbaceous; without keel; 5-13 -veined. Lemma lateral veins ribbed. Lemma apex truncate, or obtuse. Palea tightly convolute around flower; 1.3-1.5 length of lemma; spongy; 5-11 -veined. Palea keels approximate. Apical sterile florets 1 in number; barren; linear. FLOWER Lodicules absent. Anthers 2. Stigmas 2. FRUIT Caryopsis with adherent pericarp; fusiform. Embryo 0.2 length of caryopsis. Hilum linear; 0.7 length of caryopsis. MALE Male spikelets similar to female but less developed; lanceolate. Male spikelet glumes 2. DISTRIBUTION South America.

  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.