African Plant Database

Juncus oxycarpus E. Mey. ex Kunth
Protologue : Enum. Pl. (Kunth) 3: 336 (1841) 
Information on the genus : Juncus
Status for SA : accepted (present)
Status for TA : accepted (present)
Synonym(s) Heterotypic
=Juncus brevistilus Buchenau (1875)
=Juncus gentilis N.E. Br. (1914)
=Juncus suboxycarpus Adamson (1935)
=Juncus oxycarpus subsp. sparganioides Weim.
=Juncus quartinianus A. Rich.
Ecology and distribution
Trop. Afr.
Biology : Herb perennial, 30-80 cm tall, densely caespitose; rhizome short, horizontal, thick; stem erect, 0,4-0,8 m tall, occasionally stoloniferous when in running water; leaves 3-5, basal and cauline, terete, septate; cataphylls 0-4; inflorescence decompound, divaricate; capitula globose or semiglobose, many-flowered, on wiry branchlets of varying lengths; capsule trigonous, oblong, 2,5-3,5 mm long, enclosed in perianth.
Ecology : Swamps, marshes, edges of streams in rain-forest; riverine forest; grassland; pools; lakes; often forming large stands; wet sandy meadows with Salix, Rubus, Potamogeton, Ranunculus spp.; near streams; with Xyris spp. in river; 0-3150 m alt.
  Closely allied to J. fontanesii from the Mediterranean region (cf. above under that species).
  Cited from Morocco by Durand & Schinz, 1894, but not later confirmed (fide Ibn Tattou & Fennane, Fl. vascul. Maroc 2: 183, 2008). Also recorded from Mt Oku, Cameroon, at 2200 m alt. (Cheek & al., 2000: 185) but later not confirmed.
South. Afr.
Biol./Eco : perennial-Herb, Helophyte- Ht 0.06 - 1 m. Alt: 5 - 2439 m. Distribution: BOT, LES, NAM, EC, FS, GA, KN, LP, MP, 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: 102
  • DARBYSHIRE, I. KORDOFAMI, M. & AL. (2015). The plants of Sudan and South Sudan, An annoted checklist. Kew Publishing : 101

Bibliography for North Africa :
  • 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: 454

Bibliography other :
  • KIPKOECH S. & AL. (2020). An annotated checklist of the vascular plants of Aberdare Ranges Forest, a part of Eastern Afromontane Biodiversity Hotspot PhytoKeys 149: 22 
More info on :
see under Jstor_African Plant Initiative
see under Flore d'Afrique Centrale
see under Flora of Zimbabwe
More information >> ( work in progress )
Record n°41745
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