African Plant Database

Pycreus sanguinolentus (Vahl) Nees
Protologue : Linnaea 9: 283 (1834)
Information on the genus : Pycreus
Basionym : Cyperus sanguinolentus Vahl
Status for TA : accepted (present)
Synonym(s) Homotypic
 Pycreus sanguinolentus (Vahl) Nees f. sanguinolentus
 Cyperus sanguinolentus Vahl
 Pycreus sanguinolentus (Vahl) Nees var. sanguinolentus
 Pycreus sanguinolentus (Vahl) Nees subsp. sanguinolentus
Synonym(s) Heterotypic
=*Cyperus cruentus Retz. (1788) non Rottb.
=*Cyperus eragrostis Vahl (1805)
=Cyperus erythraeus Schrad.
Taxon infra-specific
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
Ecology and distribution
Trop. Afr.
Biology : 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.
Ecology : 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.
  Its introduction is associated with the cultivation of rice, and its dispersal and range expansion there are associated with road construction and maintenance activities.
  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
More info on :
see under Jstor_African Plant Initiative
see under chg
see under The Euro-Mediterranean Plant Base
see under The International Plant Name Index
see under The International Plant Name Index
see under Missouri Botanical Garden
More information >> ( work in progress )
Record n°129486 modified 2009-01-30
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