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

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.
  • Fl. Egypt (Boulos) 3: 97 (2002).
  • 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
  • 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: 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
carte afrique num 41747
Record n°41747
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