Base de données des plantes d'Afrique


Scleria flexuosa Boeckeler
Protologue : Beitr. Cyper. 1: (1888)
Informations sur le genre : Scleria
 
 
Statut
Statut pour SA : accepté (présent)
Statut pour TA : accepté (présent)
 
Synonyme(s) hétérotypique(s)
=Scleria dieterlenii Turrill (1914) (SA = accepté; TA = rejeté)
=Scleria flexuosa auct.
=Scleria lateritica Nelmes (1955)
 
Ecologie et distribution
Afr. Trop.
Biologie : Perennial herb 15-65 cm tall; rhizome descending, c. 1 mm Ø, brittle, to 5 cm long, producing at its end a single fleshy tuber; tubers variable in size, ± spherical, 5-8 cm Ø; culms erect, glabrous or hairy; leaves 5-13 cm long, 1-2 mm wide, hairy; inflorescence simply spicate or shortly (to 1 cm) branched in lower half, 3-12 cm long with erect or spreading glomerules of 2-11 spikelets; these 3-5 mm long; glumes chestnut-brown, white-hairy; nutlet ovoid, trigonous, c. 1-1,5x1 mm, grey, strongly tuberculate-trabeculate.
Ecologie : Exposed rock faces in shallow pocket of soil; seasonally waterlogged ground, sometimes in shallow soils over sandstone or laterite outcrops; moss-turf water choked up on dripping rocks; doleritic escarpments with Afrotrilepis pilosa; in tufts on granitic subvertical wall; idem with Polygala lecardii, Loudetia jaegeriana, Xyris sp.; microturf with Trichopteryx elegantula moss; stony meadow, stony savannas; damp wooded meadows; swamps near river banks, in water, common; 450-2300 m alt.
  Variable in colour of glumes and nutlets. Robust stands of S. delicatula can easily be mistaken for S. flexuosa.
  S. Africa, Lesotho.
 
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