Amorphophallus titanum (Aracerae). This was in May 2003 the largest scientifically documented inflorescence of the Titan Arum, flowering in the Botanic Gardens of the University of Bonn (Germany). The height is 306 cm from the tuber, 274 cm from the surface of the soil. -  For more details see Barthlott, W. et al. (2009): A torch in the rainforest: thermogenesis of the Titan arum (Amorphophallus titanum). Plant Biol. 11 (4): 499-505 [doi:10.1111/j.1438-8677.2008.00147.x]
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© W. Barthlott, Bot. Gard. Bonn