African Plant Database

Trapa natans L.
Family : Trapaceae
Protologue : Sp. Pl. 1: 120 (1753)  
Information on the genus : Trapa
Status for NA : accepted (present)
Status for TA : accepted (present)
Synonym(s) Homotypic
 Trapa natans L. var. natans
Taxon infra-specific
Trapa natans var. bispinosa (Roxb.) Makino (1897)
Trapa natans var. pumila Nakano ex Verdc. (1986)
Trapa natans var. africana Brenan (1953)
Trapa natans L. var. natans
Ecology and distribution
Trop. Afr.
Biology : Aquatic floating annual herb with dimorphic leaves; floating leaves in rosette at upper nodes, with swollen spongy petiole and rhomboic blade; submerged leaves linear, entire, caducous; adventitious roots developping from leaf scars of submerged leaves.
Ecology : Quiet base-rich water, lakes, without too much calcium; swamps, pans; 0-1200m alt. S. Africa, Cameroon; India?, Indochina, Vietnam, Japan;

Bibliography for Tropical Africa :
  • Cat. Pl. Vasc. Burkina Faso:276 (2012)
  • César J. & C. Chatelain (2019). Flore illustrée du Tchad. Conservatoire et Jardin botaniques de Genève, Coopération Suisse & Univ. N'Djaména

Bibliography for North Africa :
  • Battandier, J.A & L.C. Trabut (1889). Flore de l'Algérie [Dicot] 1(2): 318  
  • Fl. Algérie [Quézel & Santa] 2: 638 (1963).
  • Fl. Eur. 2: 303 (1968).
  • Fl. Tunisie [Pottier-Alapetite] 1: 557 (1979).
  • Fl. Iberica 8: 72 (1997). 
  • BOULOS, L. & E. LE FLOC'H (2008). Flore de Tunisie: catalogue synonymique commenté
  • LE FLOC’H, E., L. BOULOS & E. VÉLA (2010). Catalogue synonymique commenté de la Flore de Tunisie  
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see under The Euro-Mediterranean Plant Base
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see under The International Plant Name Index
see under African Plants - a Photo Guide
see under Herbarium, North Africa MPU
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Record n°129297 modified 2007-01-29
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