African Plant Database


Pycreus elegantulus (Steud.) C.B. Clarke
Information on the genus : Pycreus
Basionym : Cyperus elegantulus Steud.
 
 
Status
Status for SA : accepted (present)
Status for TA : accepted (present)
 
Synonym(s) Homotypic
 Pycreus niger subsp. elegantulus (Steud.) Lye (1981)
 Cyperus elegantulus Steud.
 Pycreus elegantulus (Steud.) C.B. Clarke var. elegantulus
 
Synonym(s) Heterotypic
=Cyperus atronitens Hochst. (1841)
=Pycreus elegantulus var. submelanostachyus Kük. (1936)
 
Taxon infra-specific
Pycreus elegantulus (Steud.) C.B. Clarke var. elegantulus
 
Ecology and distribution
Trop. Afr.
Biology : Perennial herb with slender stolons, sometimes appearing annual without developed stolons; culms tufted, 20-70 cm long, 1,1-3 mm Ø, trigonous, smooth; leaf sheaths (pale) brown, 2,5-10,5 cm long; blades 2-4 per culm, linear, flattish-plicate, 10-35 cm x 2-4,7 mm, acute to acuminate, apex scabrid; inflorescence capitate or simple, when simple primary branches 1-5, 1-5,5 cm long; spikelets in dense clusters, sessile and at end of primary branches; spikelets 7-35 per cluster, to many in a head, ovoid, 3,5-14,5 x 1,6-2 mm; glumes black.
Ecology : Swamps; river edges; wet forest margins; wet grasslands; (abandoned) plantations; track sides; rain-forest with Albizia, Macaranga, Croton, Ocotea; seepage area in Hagenia abyssinica woodland; grassland plateau; riverine forest; swampy depressions in grassland; 800-3600 m alt.
  The true Pycreus niger (Ruiz & Pavon) Cufod. is plant from tropical and subtropical America
  Bioko/Fernando Poo; S. Africa; Saudi Arabia, Yemen.

Bibliography for Tropical Africa :
  • DARBYSHIRE, I. KORDOFAMI, M. & AL. (2015). The plants of Sudan and South Sudan, An annoted checklist. Kew Publishing : 114

Bibliography for Southern Africa :
  • Repert. Spec. Nov. Regni Veg. 28: 17-24 (1930).
  • HUTCHINSON, J. & J.M. DALZIEL (1972). Flora of West Tropical Africa: Second Edition 3[2]: 300
  • Nord. J. Bot. 1: 617-622 (1981).
 
More info on :
see under Jstor_African Plant Initiative
see under Flore d'Afrique Centrale
 
Map
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Record n°36208 modified 2007-04-03
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