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Protologue : Bull. Soc. Bot. France 85: 366 (1938); Bull. Soc. Bot. France 85: 366 (1938)  |
| Information on the genus : Pycreus |
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Status
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| Status for SA : | accepted (present) |
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| Status for TA : | accepted (present) |
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| Synonym(s) Homotypic |
 Cyperus waillyi (Cherm.) Lye |
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| Ecology and distribution |
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| 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. |
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| Ecology : |
Submerged in stream; poole in steppe, marsh; 1490-2150 m alt. |
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| Biol./Eco : |
annual-Herb, Emergent hydrophyte, Cyperoid- Alt: 1000 m. Distribution: BOT |
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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
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| More info on : |
| see under Jstor_African Plant Initiative |
| see under The International Plant Name Index |
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| Map |
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More information >> ( work in progress )
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| Record n°36233 |
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