African Plant Database


Juncus effusus L.
Family : JUNCACEAE
Protologue : Sp. Pl. 1: 326 1: 326 (1753)  
Information on the genus : Juncus
 
 
Status
Status for MA : accepted (present)
Status for NA : accepted (present)
Status for SA : accepted (present)
Status for TA : accepted (present)
 
Synonym(s) Homotypic
 Juncus conglomeratus var. effusus (L.) Koch (1878)
 Juncus communis var. effusus (L.) E. Mey. (1919)
 Juncus effusus L. subsp. effusus
 
Synonym(s) Heterotypic
=Juncus canariensis Willd. (1823)
=Juncus effusus var. canariensis (Willd.) Buchenau (1880)
=Juncus effusus var. compactus Lej. & Court (1831)
=Juncus fistulosus Guss. (1826)
=Juncus effusus var. fistulosus (Guss.) Buchenau (1880)
 
Taxon infra-specific
Juncus effusus subsp. laxus (Robyns & Tournay) Snogerup (2002)
Juncus effusus L. subsp. effusus
 
Ecology and distribution
Trop. Afr.
Biology : Perennial herb with horizontal much-branched rhizome forming dense tussocks with numerous clustered stems; stems 0,6-1,2 m long, 0,15-0,5 cm Ø, with prominent white soft pith in the middle; leaves reduced to cataphylls 1-20 cm long with a blade usually absent or reduced needle-like deciduous, 2-5 mm long; sheaths often red brown; inflorescence: a lateral corymb, much-branched, diffuse or compact with numerous stalked or subsessile flowers, each subtended by a bract and 2 bracteoles; capsule 1,6-2,5 mm long, ovoid, ± equalling perianth.
Ecology : By streams, swampy ground in evergreen bushland and rain-forest; grassland; 1350-3120 m alt.
  Very variable in shape of inflorescence, size and colour of floral parts; several varieties have been described.
  Probably native in Europe, W and C Asia, Africa, N. America, mountains of S. America; now cosmopolitan as introduced and naturalised in many places.
South. Afr.
Biol./Eco : perennial-Herb, Helophyte- Ht 0.45 - 1 m. Alt: 2 - 2050 m. Distribution: LES, EC, FS, GA, KN, LP, MP, NW, WC
Mada.
Biol./Eco : Herb; distribution: Africa. Europe,

Bibliography for North Africa :
  • BATTANDIER, J. A. & TRABUT, M. (1884). Flore d'Alger et Catalogue des plantes d'Algérie. [Monocot.1]  
  • BATTANDIER, J. A. & TRABUT, M. (1895). Flore de l'Algérie et catalogue des plantes du Maroc. [Monocot. ou vol.2] 2: 80 
  • Cat. Pl. Maroc 1: 110 (1931). 
  • CUÉNOD, A. (1954). Flore analytique et synoptique de la Tunisie. Office de l'Expérimentation et de la Vulgarisation Agricoles.  
  • Fl. Afrique N. 4: 273 (1957). 
  • Fl. Algérie [Quézel & Santa] 1: 184 (1962).
  • Fl. Eur. 5: 105 (1980).
  • VALDES, B., S. TALAVERA & E. FERNANDEZ-GALIANO (ed.) (1987). Flora Vascular de Andalucía Occidental, vol. 3 3: 217 
  • HANSEN, A. & P. SUNDING (1993). Flora of Macaronesia. Checklist of vascular plants. 4. revised edition Sommerfeltia 17: 1-295
  • VALDÉS, B., REJDALI, M., ACHHAL EL KADMIRI, JURY, J. L. & J. M. MONTSERRAT (2002). Catalogue des plantes vasculaires du Nord du Maroc, incluant des clés d'identification. II 2: 738
  • BOULOS, L. & E. LE FLOC'H (2008). Flore de Tunisie : catalogue synonymique commenté
  • List Fungi, Fl. Fau. Madeira Selv. Arch. : 206 (2008).
  • FENNANE, M., M. IBN TATTOU, J. MATHEZ, A. OUYAHYA & J. EL OUALIDI (éd.) (2014). Flore Pratique du Maroc [vol.3] Trav. Inst. Sci. Univ. Mohammed V, Sér. Bot. 3: 460
 
More info on :
see under Jstor_African Plant Initiative
see under chg
see under The Euro-Mediterranean Plant Base
see under Flore d'Afrique Centrale
see under herbiergdebelair
see under The International Plant Name Index
see under Catalogue de Madagascar
see under Tropicos.org. Missouri Botanical Garden
see under Flora of Zimbabwe
see under Herbarium, North Africa MPU
 
Map
carte afrique num 41729
 
Record n°41729
Feedback about this record