The tropical liana Triphyophyllum peltatum (Dioncophyllaceae): formation of carnivorous organs is only a facultative prerequisite for shoot elongation. - Bringmann,G..; Rischer,H..; Schaluer,J..; Wolf,K..; Kreiner,A..; Duschek,M..; Aké Assi,L.. (Carnivorous Plant Newsletter, 2002)