African Plant Database

Juncus rigidus Desf.
Protologue : Fl. Atlant. 1: 312 (1798) 
Information on the genus : Juncus
Status for NA : accepted (present)
Status for SA : accepted (present)
Status for TA : accepted (present)
Synonym(s) Homotypic
 Juncus maritimus var. rigidus Desf. (1912)
Synonym(s) Heterotypic
=Juncus arabicus (Asch. & Buchenau) Adamson
=Juncus maritimus var. arabicus Asch. & Buchenau (1882)
=*Juncus maritimus auct. sensu Baker, non Lam.non Lam.
=Juncus maritimus var. socotranus Buchenau
=Juncus maritimus var. somalensis Chiov.
Ecology and distribution
Trop. Afr.
Biology : Herb perennial, 0,3-1,5 m tall; rhizome compact, creeping, to 1 cm Ø; stems terete, hard; cataphylls present; leaves basal 0,25-1,1 m long; blades terete, 1,5-3 mm Ø; inflorescence a lax pseudo-lateral panicle with 60-150 heads, each head 2-6-flowered; tepals uniformly coloured green to straw-yellow (sometimes slightly darker but without darkened midrib); capsule narrowly trigono-ovoid, 3,5-5 mm long, usually exceeding tepals; seeds fusiform, 0,5-0,7 mm long with white appendages 0,8-1,2 mm long at each end.
Ecology : Sandy and saline places; drier areas next to wells and seasonally wet depressions; in or near pools and water courses; often in gypseous soils; marshy places with Scirpus, Tamarix; sometimes in large stands; brackish waters; salt pan areas; 0-2000 m alt.
  Closely related to J. kraussii, but flowers more loosely arranged. Confused with J. maritimus.
  Botswana, Caprivi Strip, S. Africa; N Africa, and from Cyprus, Syria, Israel, Arabian Peninsula to S Afghanistan, SW Pakistan, Turkmenistan.
South. Afr.
Biol./Eco : perennial-Herb, Helophyte- Ht 0.4 - 1.5 m. Alt: 10 - 1260 m. Distribution: BOT, LES, NAM, EC, FS, GA, KN, LP, NC, NW, WC, SWZ

Bibliography for Tropical Africa :
  • EXELL, A. & WILD, H. (2010). Flora Zambesiaca: Mozambique, Federation of Rhodesia and Nyasaland, Bechuanaland Protectorate. London Kew 13: 98
  • DARBYSHIRE, I. KORDOFAMI, M. & AL. (2015). The plants of Sudan and South Sudan, An annoted checklist. Kew Publishing : 101
  • CÉSAR J. & C. CHATELAIN (2019). Flore illustrée du Tchad. Conservatoire et Jardin botaniques de Genève, Coopération Suisse & Univ. N'Djaména : 109

Bibliography for Southern Africa :
  • Willdenowia 23: 54-58 (1993).

Bibliography for North Africa :
  • Fl. Eur. 5: 104 (1980).
  • BARRY J. P. & J. C. CELLES (1991). Flore de Mauritanie. Institut supérieur scientifique de Nouakchott - Université de Nice. : 374
  • Fl. Egypt (Boulos) 3: 97 (2002).
  • VALDÉS, B., REJDALI, M., ACHHAL EL KADMIRI, JURY, (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 : 326
  • FENNANE, M., M. IBN TATTOU, J. MATHEZ, A. OUYAHYA (2014). Flore Pratique du Maroc [vol.3] Trav. Inst. Sci. Univ. Mohammed V, Sér. Bot. 3: 458
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 The International Plant Name Index
see under Flora of Zimbabwe
see under Herbarium, North Africa MPU
More information >> ( work in progress )
Record n°41747
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