Loudetia Hochst. ex Steud.
  • Syn. Pl. Glumac. 1: 238 (1854) 


Notes: , nom. cons. Distribution: Trop. & S. Africa, Madagascar, S. Arabian Pen., Bolivia to Brazil and Paraguay

General Description

HABIT Annual (9), or perennial (16). Rhizomes absent (24), or short (1). Culms erect (18/19), or geniculately ascending (7/19), or prostrate (1/19); slender (3/3); 15-91.2-400 cm long; firm (23), or wiry (2); rooting from lower nodes (1/1). Culm-nodes flush with internodes (1/1). Lateral branches lacking (6/8), or sparse (2/8), or ample (1/8). Ligule a fringe of hairs. Leaf-blades filiform (5), or linear (23); stiff (6), or firm (19). INFLORESCENCE Inflorescence a panicle; terminal (24), or terminal and axillary (1). Panicle open (10), or contracted (11), or spiciform (5). Primary panicle branches not whorled (23), or whorled at most nodes (2). Spikelets appressed (3/3); solitary (23), or in pairs (2), or in threes (2). Fertile spikelets pedicelled; 3 in the cluster (1/1). Pedicels filiform (1/5), or oblong (4/5). FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets linear (4), or lanceolate (21), or oblong (4); laterally compressed; 6-11.7-32 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident (16), or elongated (9); glabrous (2), or pubescent (13), or bearded (10); truncate (13), or acute (2), or pungent (3), or unequally 2-toothed (3), or 2-toothed (6). GLUMES Glumes persistent; shorter than spikelet (3), or reaching apex of florets (17), or exceeding apex of florets (5); thinner than fertile lemma; parallel to lemmas (21), or gaping (4). Lower glume lanceolate (7), or elliptic (2), or oblong (2), or ovate (16); chartaceous; without keels; 3 -veined. Lower glume surface glabrous (13), or puberulous (1), or pilose (2), or hispid (1), or setose (15). Lower glume apex entire (23), or dentate (3); 2 -fid (1/3), or 3 -fid (2/3); truncate (1/23), or obtuse (14/23), or acute (9/23), or acuminate (4/23), or setaceously attenuate (1/23); muticous (22), or mucronate (3). Upper glume lanceolate (24), or oblong (1); chartaceous; without keels; 3 -veined, or 4-5 -veined (1). Upper glume surface smooth (24), or asperulous (1); glabrous (16), or pilose (3), or hispid (1), or setose (11); with tubercle-based hairs (15/15). Upper glume apex truncate (8), or obtuse (11), or acute (5), or acuminate (5), or caudate (2); muticous (24), or mucronate (1). FLORETS Basal sterile florets male (23), or barren (2); with palea (24), or without significant palea (1). Lemma of lower sterile floret lanceolate (23), or oblong (2), or ovate (1); chartaceous (4/4); 3 -veined, or 4-5 -veined (1); emarginate (1), or truncate (3), or obtuse (6), or acute (13), or acuminate (8), or attenuate (1), or setaceously attenuate (1). Palea of lower sterile floret wingless (22/24), or winged on keels (2/24). Fertile lemma elliptic (3), or oblong (22); coriaceous; without keel; 5 -veined (8), or 6 -veined (3), or 7 -veined (18), or 9 -veined (2). Lemma lateral veins obscure (5/5). Lemma surface pubescent (24), or villous (1). Lemma margins involute; interlocking with palea keels. Lemma apex entire (6), or dentate (16), or lobed (4); 2 -fid (20/20); incised 0.1-0.175-0.2 of lemma length; emarginate (4/22), or obtuse (1/22), or acute (18/22); awned; 1 -awned. Principal lemma awn apical (4), or from a sinus (22); flexuous (1), or geniculate (24). Column of lemma awn glabrous (16/24), or puberulous (6/24), or pubescent (1/24), or hirsute (1/24). Palea 2 -veined. Palea keels approximate; thickened. Palea surface glabrous (23), or pubescent (2). FLOWER Anthers 2 (21), or 3 (4). FRUIT Caryopsis with adherent pericarp; fusiform (1/1). Hilum linear (5/5). DISTRIBUTION Africa (24), or Temperate Asia (1), or South America (1).

Distribution Map

 
  • Native distribution
  • Introduced distribution
Found in
  • Africa East Tropical Africa Kenya
  • Tanzania
  • Uganda
  • Northeast Tropical Africa Chad
  • Ethiopia
  • Somalia
  • Sudan
  • South Tropical Africa Angola
  • Malawi
  • Mozambique
  • Zambia
  • Zimbabwe
  • Southern Africa Botswana
  • Cape Provinces
  • Caprivi Strip
  • Free State
  • KwaZulu-Natal
  • Namibia
  • Northern Provinces
  • Swaziland
  • West Tropical Africa Benin
  • Burkina
  • Gambia, The
  • Ghana
  • Guinea
  • Guinea-Bissau
  • Ivory Coast
  • Liberia
  • Mali
  • Mauritania
  • Niger
  • Nigeria
  • Senegal
  • Sierra Leone
  • Togo
  • West-Central Tropical Africa Burundi
  • Cameroon
  • Central African Republic
  • Congo
  • Equatorial Guinea
  • Gabon
  • Rwanda
  • Zaire
  • Western Indian Ocean Madagascar
  • Asia-Temperate Arabian Peninsula Oman
  • Southern America Brazil Brazil North
  • Brazil Northeast
  • Brazil Southeast
  • Brazil West-Central
  • Southern South America Paraguay
  • Western South America Bolivia
Introduced into
  • Asia-Tropical Indo-China Myanmar

  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.