African Plant Database

Pycreus waillyi Cherm.
Protologue : Bull. Soc. Bot. France 85: 366 (1938); Bull. Soc. Bot. France 85: 366 (1938) 
Information on the genus : Pycreus
Status for SA : accepted (present)
Status for TA : accepted (present)
Synonym(s) Homotypic
 Cyperus waillyi (Cherm.) Lye
Ecology and distribution
Trop. Afr.
Biology : Annual herb, completely or partially submerged in water; culms 5-25 cm long, 0,4-0,8 mm Ø, trigonous, smooth; leaves basal; sheath straw-coloured yellow, 2,5-4 cm long; blade flat, c. 8-18 cm long, 0,5-1,5 mm wide, acuminae, glabrous; inflorescence a simple anthela of 1 sessile spikelet and 4-5 stalked spikelets, rays 5-8,5 cm long; spikelets lanceolate, 0,8-1,2 cm x 1,7-2 mm. – Neither leaves nor culm able to support themselves out of the water.
Ecology : Submerged in stream; poole in steppe, marsh; 1490-2150 m alt.
South. Afr.
Biol./Eco : annual-Herb, Emergent hydrophyte, Cyperoid- Alt: 1000 m. Distribution: BOT

Bibliography for Tropical Africa :
  • BOUDET G. & J.P. LEBRUN (1986). Catalogue des plantes vasculaires du Mali. Etudes et Synthèses IEMVT 16 : 364

Bibliography for Southern Africa :
  • HUTCHINSON, J. & J.M. DALZIEL (1972). Flora of West Tropical Africa: Second Edition 3[2]: 300
More info on :
see under Jstor_African Plant Initiative
see under The International Plant Name Index
More information >> ( work in progress )
Record n°36233
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