Base de données des plantes d'Afrique

Sansevieria bracteata Baker
Famille : Dracaenaceae
Protologue : Trans. Linn. Soc. London, Bot. 1(5): 253 (1880 [1878])
Informations sur le genre : Sansevieria
Statut pour TA : accepté (présent)
Synonyme(s) homotypique(s)
 Acyntha bracteata (Baker) Kuntze
Ecologie et distribution
Afr. Trop.
Biologie : Acaulescent rhizomatous perennial; rhizome “very thick, orange-vermillion outside, white inside”; leaves erect, lanceolate, thick and rigid, 38-60x5-7 cm, base narrowed in the lower half into a channelled petiole, dark green with wide pale green zigzag bands or blotches on both surfaces, glaucous, tapering at apex into a c. 6 mm long point; margins hard, brownish-red, sometimes with whitish edge; inflorescence 45-60 cm long, simple, spike-like; bracts erect, acute, ± oblong, c. 1,3-1,9 cm long; fertile portion 5-6 cm long, dense; flowers white; tube 8,8-11,5 cm long; lobes 2,5-4,4x0,2 cm; fruit not described.
Ecologie : In rather dry rocky places, but rarely flowering although not unplentiful; at a considerable elevation. Angola: Pungo Andongo, districts of Icolo e Bengo and Luanda, from Quicuxe to Mutollo and towards Funda (Welwitsch 3751); between Kubango and Kuito Rivers (Baum 517; stating that the fibre is used for making nets, etc.). Said to be very near S. longiflora (Welwitch’s Afric. Pl. 2/1: 25, 1899). “Closely allied to S. aubrytiana Carrière…possibly a form of it” (N. E. Brown, l.c.).
  The circumscription given in Fl. Trop. E. Afr., Dracaen.: 16, 2007, is not followed by us. Not retained as a distinct species by Mansfeld, 2013.
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carte afrique num 14168
Enregistrement n°14168
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