Base de données des plantes d'Afrique

Pseudohydrosme gabunensis Engl.
Famille : ARACEAE
Protologue : Bot. Jahrb. Syst. 15: 555 (1892)
Informations sur le genre : Pseudohydrosme
Statut pour TA : accepté (présent)
Ecologie et distribution
Afr. Trop.
Biologie : Herb with an elongate rhizome or a subglobose tuber growing continuously and not renewed 9-12 cm Ø; cataphylls 1,5-29 cm long; leaf 1; petiole 1-1,3 m long, 1-1,4 cm Ø, spiny, spotted, dark green olive and with small yellowish-white points; blade divided into 3 main parts, each segment 30-35 cm long; leaflets 4, 8-23x2-11 cm, dark green with blue-grey touch and ± shiny, apex ending in two 0,5-3 cm long, acuminate to caudate side tips; the lowest leaflets ovate, cuspidate, 4,5-8x2-5,5 cm; peduncle yellowish, 3-9 cm long, 1-1,5 cm Ø, spiny, green or light purplish with greenish-white roundish to elongate spots; spathe 30-55 cm long, tube fleshy, 20-25 cm; limb thin, arched over with undulate margin; outside greenish-yellow, above getting a slight purplish touch; spadix cylindric, 6-12,5 cm long, 1,5-2,5 cm Ø, appendix absent; berries +- globose, ripening from white to violet to dark reddish purple.
Ecologie : Rain-forest, in humus layer of a sandy loam in deep shade, with Anchomanes nigritianus at less than 100 m from the locality; also nearby: Anchomanes difformis, A. maculatus; 30 m alt.
  Only known from 2 collections made in 1881 and 1973, respectively; and probably another one made in March 2001.
Plus d'info sur :
voir d'autres informations sous Jstor_African Plant Initiative
voir d'autres informations sous The International Plant Name Index
carte afrique num 33594
Enregistrement n°33594
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