African Plant Database


Pycreus nuerensis (Boeckeler) S.S. Hooper
Information on the genus : Pycreus
Basionym : Cyperus nuerensis Boeckeler
 
 
Status
Status for TA : accepted (present)
 
Synonym(s) Homotypic
 Cyperus globosus var. nuerensis (Boeckeler) Kük.
 Cyperus globosus var. nuerensis (Boeckeler) Troupin
 Cyperus nuerensis Boeckeler (1879)
 
Synonym(s) Heterotypic
=*Pycreus globosus var. nilagiricus auct. sensu F.T.A. p.p.
=Pycreus polystachyos var. sanguineus Kük.
 
Ecology and distribution
Trop. Afr.
Biology : Perennial herb with or without stolons; culms tufted, 23-54 cm long, 1,6-2,4 mm Ø, trigonous, smooth, basal part covered with loose leaf sheaths (brown, 3-9 cm long); blade linear, plicate, 17-31 cm x 3,4-4,7 mm, acute to acuminate, apex scabrid; inflorescence simple to compound, with primary branches 2-8, 0,5-7 cm long; spikelets loosely to densely arranged in digitate clusters, sometimes on an elongated axis, the clusters sessile and at end of primary branches; spikelets many per cluster, linear-lanceolate, 5,7-11,5x1,1-1,5 mm.
Ecology : Granitic, oozing pan; swamp on rocks with Drosera pilosa… in gallery; swamps; ditches; moist grassland; marsh on floating humus; peat-bog on conglomerate; forest gallery, on grassy thick tussocks; humid rice-fields; 450-1800 m alt.
  Quite similar to P. aethiops but this species has brown-black glumes (not red-brown), 3 stamens (not 2), glumes 1-1,3 mm wide (not 0,8-1 mm).

Bibliography for Tropical Africa :
  • DARBYSHIRE, I. KORDOFAMI, M. & AL. (2015). The plants of Sudan and South Sudan, An annoted checklist. Kew Publishing : 115
 
More info on :
see under Jstor_African Plant Initiative
 
Map
More information >> ( work in progress )
 
Record n°36247
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