Article Addendum

On the thermogenesis of the Titan arum (Amorphophallus titanum)

Volume 4, Issue 11   November 2009
Pages 1096 - 1098
http://dx.doi.org/10.4161/psb.4.11.9872
Authors: Nadja Korotkova and Wilhelm Barthlott

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Abstract:

The Titan arum (Araceae) is one of the most famous flowering plants producing the largest bloom of all flowering plants. Its flowering period of two days is divided into a female flowering phase in the first night and a male flowering phase in the second night. Recently, we have documented thermogenesis in the spadix of the Titan arum during the female flowering phase. Here, we document a second thermogenic phase in which the male florets are heated during the male flowering phase. Obviously the two nocturnal thermogenic phases are linked with the two flowering periods. These observations now allow a more detailed understanding of the flowering behavior of the Titan arum.

Article Addendum to:
W Barthlott, J Szarzynski, P Vlek, W Lobin, N Korotkova. A torch in the rain forest: thermogenesis of the Titan arum (Amorphophallus titanum). Plant Biol 2009; 11: 499-505
DOI: 10.1111/j.1438-8677.2008.00147.x

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