| Pycreus sanguinolentus (Vahl) Nees |
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| Protologue : Linnaea 9: 283 (1834) |
| Informations sur le genre : Pycreus |
| Basionyme : Cyperus sanguinolentus Vahl |
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Statut
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| Statut pour TA : | accepté, NF (présent) |
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| Synonyme(s) homotypique(s) |
 Pycreus sanguinolentus (Vahl) Nees f. sanguinolentus |
| Cyperus sanguinolentus Vahl |
| Pycreus sanguinolentus (Vahl) Nees var. sanguinolentus |
| Pycreus sanguinolentus (Vahl) Nees subsp. sanguinolentus |
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| Synonyme(s) hétérotypique(s) |
| =*Cyperus cruentus Retz. (1788) non Rottb. |
| =*Cyperus eragrostis Vahl (1805) |
| =Cyperus erythraeus Schrad. |
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| Taxons infra-spécifiques |
| Pycreus sanguinolentus f. neurotropis (Steud.) Cufod. |
| Pycreus sanguinolentus subsp. nairobiensis Lye (1981) |
| Pycreus sanguinolentus f. flaccidus (Boeckeler) Cufod. |
| Pycreus sanguinolentus (Vahl) Nees f. sanguinolentus |
| Pycreus sanguinolentus (Vahl) Nees var. sanguinolentus |
| Pycreus sanguinolentus (Vahl) Nees subsp. sanguinolentus |
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| Ecologie et distribution |
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| Biologie : |
Annual or short-lived perennial herb; culms tufted, 21-65 cm long, 0,8-2,5 mm Ø, trigonous to sometimes triquetrous, smooth, lower part with several nodes; leaves basal; sheath yellowish-brown to green to sometimes reddish, 3-10,7 cm long; blade linear, flattish or plicate, 8-17 cm x 1-4 mm, acuminate to acute, sometimes ± scabrid; inflorescence ± capitate or simple; primary branches 0-5, 1-3 cm long; spikelets crowded in digitate, ovoid clusters, sessile or at end of primary branches; spikelets 3-20 per cluster, ± oblong, 0,8-1,8 cm x 2-2,8 mm. |
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| Ecologie : |
Along streams; in riverbeds, ditches, waterholes; (seasonally) wet grassland; thin soil over rocks; weed in rice-fields, and other damp crop fields; 950-2200 m alt. |
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Its introduction is associated with the cultivation of rice, and its dispersal and range expansion there are associated with road construction and maintenance activities. |
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Saudi Arabia, Yemen; Turkey; widely distributed in warmer parts of C & E Asia, E Hemisphere, such as Russian middle Asia, Caucasus, Afghanistan, India, Sri Lanka, SE Asia, China, Japan, Philippines, Indonesia; Australia; Pacific islands |
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| Plus d'info sur : |
| voir d'autres informations sous Jstor_African Plant Initiative |
| voir d'autres informations sous chg |
| voir d'autres informations sous The Euro-Mediterranean Plant Base |
| voir d'autres informations sous The International Plant Name Index |
| voir d'autres informations sous The International Plant Name Index |
| voir d'autres informations sous Tropicos.org. Missouri Botanical Garden |
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| Carte |
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Plus d'informations >> ( travail en cours )
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| Enregistrement n°129486 modifié le 2009-01-30 |
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