Loudetiopsis Conert
  • Bot. Jahrb. Syst. 77: 277 (1957) 


Notes: Distribution: W. Trop. Africa to Chad, Bolivia to Brazil and Paraguay

General Description

HABIT Annual (2), or perennial (11). Rhizomes absent (12), or elongated (1). Culms erect (9/11), or geniculately ascending (3/11), or decumbent (2/11); 30-110.8-260 cm long. Lateral branches lacking (2/2), or sparse (1/2). Ligule a fringe of hairs. Leaf-blades aciculate (1), or filiform (1), or linear (12); stiff (2), or firm (11). Leaf-blade margins cartilaginous (1/1). INFLORESCENCE Inflorescence a panicle. Panicle open (12), or contracted (4). Primary panicle branches not whorled (12), or whorled at most nodes (1). Panicle axis bearing persistent branches (10), or deciduous spikelet clusters (3). Spikelets in threes. Fertile spikelets pedicelled; 3 in the cluster. Pedicels free (10), or fused to each other (3); filiform (6/6). FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 4-11.9-35 mm long; falling entire (3), or breaking up at maturity (10); deciduous in a cluster with fused pedicels (3/3); disarticulating below each fertile floret (10/10). Floret callus brief (2), or evident (11); pubescent (1/11), or pilose (4/11), or bearded (6/11); truncate (7), or obtuse (3), or unequally 2-toothed (1), or 2-toothed (3). GLUMES Glumes persistent (10/10); reaching apex of florets (7), or exceeding apex of florets (6); thinner than fertile lemma; parallel to lemmas (10), or gaping (3). Lower glume lanceolate (9), or elliptic (1), or oblong (1), or ovate (3); 0.5-0.65-0.9 length of upper glume; chartaceous; without keels; 3 -veined (11/11), or 4-5 -veined (1/11). Lower glume surface smooth (12), or asperulous (1); glabrous (4), or hispid (1), or setose (11). Lower glume apex truncate (2), or obtuse (5), or acute (3), or acuminate (5); muticous (12), or mucronate (1). Upper glume lanceolate (11), or oblong (2), or ovate (1); chartaceous; without keels; 3 -veined (9/11), or 4 -veined (1/11), or 5 -veined (3/11), or 6-7 -veined (1/11). Upper glume surface glabrous (6), or pubescent (1), or hispidulous (1), or setose (6); with simple hairs (2/8), or tubercle-based hairs (6/8). Upper glume apex emarginate (1), or truncate (5), or obtuse (2), or acute (1), or acuminate (7). FLORETS Basal sterile florets male; with palea. Lemma of lower sterile floret lanceolate (11), or oblong (2); membranous (3), or chartaceous (11); 3 -veined (8/11), or 4 -veined (1/11), or 5 -veined (2/11), or 6 -veined (1/11), or 7 -veined (3/11), or 8-9 -veined (1/11); truncate (2), or obtuse (5), or acute (5), or acuminate (5). Palea of lower sterile floret wingless (10), or winged on keels (3). Fertile lemma linear (1), or lanceolate (1), or elliptic (9), or oblong (2); coriaceous; without keel; 5-6 -veined (2/11), or 7 -veined (11/11), or 8-9 -veined (1/11). Lemma surface pubescent (10), or pilose (2), or villous (1). Lemma margins involute; interlocking with palea keels. Lemma apex lobed; 2 -fid; incised 0.1-0.1664-0.33 of lemma length; acuminate (1/1); awned; 1 -awned. Principal lemma awn from a sinus; curved (1), or geniculate (12). Column of lemma awn glabrous (7/12), or hispidulous (3/12), or pubescent (2/12). Palea 2 -veined. Palea keels separated (3), or approximate (10); unthickened (3), or thickened (10). Palea surface glabrous (11), or pilose (2). FLOWER Lodicules 2 (1/1). Anthers 2 (10), or 3 (3). Stigmas 2 (1/1). FRUIT Caryopsis with adherent pericarp (10/10); linear (1/1). Hilum linear (1/1). DISTRIBUTION Africa (11), or North America (2), or South America (1).

Distribution Map

 
  • Native distribution
Found in
  • Africa Northeast Tropical Africa Chad
  • West Tropical Africa Benin
  • Burkina
  • Gambia, The
  • Ghana
  • Guinea
  • Ivory Coast
  • Liberia
  • Mali
  • Nigeria
  • Sierra Leone
  • Togo
  • West-Central Tropical Africa Cameroon
  • Central African Republic
  • Congo
  • Gabon
  • Southern America Brazil Brazil Northeast
  • Brazil South
  • Brazil Southeast
  • Brazil West-Central
  • Southern South America Paraguay
  • Western South America Bolivia

  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.