African Plant Database

Amorphophallus zenkeri (Engl.) N.E. Br.
Family : ARACEAE
Information on the genus : Amorphophallus
Basionym : Hydrosme zenkeri Engl.
Status for TA : accepted (present)
Synonym(s) Homotypic
 Amorphophallus zenkeri (Engl.) N.E. Br. subsp. zenkeri
 Hydrosme zenkeri Engl. (1899)
Taxon infra-specific
Amorphophallus zenkeri (Engl.) N.E. Br. subsp. zenkeri
Amorphophallus zenkeri subsp. mannii (N.E. Br.) Ittenb. (2002)
Ecology and distribution
Trop. Afr.
Biology : Tuber flat-globose, 1,5-4x2-6 cm, deep in the soil; leaf 0,35-1,4 m long, produced before inflorescence; petiole 0,3-1,3 m long, 2-3 cm , greenish, speckled, with many white-green to dark-green, long to elliptic or irregular dots; blade 0,37-1 m ; ultimate leaf-lobes lanceolate to ovate, 3,5-20x2,5-7 cm to 17-31x7-11 cm (subsp. mannii), apex 2-3 cm long; inflorescence withering with the leaf, 30-65 cm long; peduncle 3-8 cm long, x 0,7-2 cm , greenish with dark-green small dots and bigger brownish dots; spathe 6-24x11-26 cm, with a weak constriction; tube rounded to ovate asymmetric, greenish, pink to purple with round light-green spots, veins green; limb open, triangular, tilted erect, horizontal or hanging down, purple, margins wavy; spadix sessile, 12-60 cm long, at least twice as long as spathe; appendix 8-55 cm long, 1,7-5 cm ; infrutescence unknown.
Ecology : Rain-forest; forest remnant on edge of cocoa plantation at foot of granite inselberg, with Klainedoxa sp., Cynometra sp., Gilbertiodendron sp., Dialium sp., Ceiba pentandra, Costus lateriflorus, Selaginella vogelii, etc.; 0-1000 m alt.
  Related to A. staudtii (with spadix appendage 6-19-24 cm long).
More info on :
see under Jstor_African Plant Initiative
see under Fgui
carte afrique num 176423
Record n°176423 modified 2013-12-17
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