On the thermogenesis of the Titan arum (Amorphophallus titanum)

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 thermogen...

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Published inPlant signaling & behavior Vol. 4; no. 11; pp. 1096 - 1098
Main Authors Korotkova, Nadja, Barthlott, Wilhelm
Format Journal Article
LanguageEnglish
Published United States Taylor & Francis 01.11.2009
Landes Bioscience
Subjects
Addendum
Amorphophallus
Araceae - physiology
Binding
Biology
Bioscience
Calcium
Cancer
Cell
Cycle
females
florets
flowering
Flowers - physiology
Landes
males
Organogenesis
Proteins
Reproduction - physiology
Temperature
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ISSN1559-2316
1559-2324
1559-2324
DOI10.4161/psb.4.11.9872

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Summary: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.
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ISSN:1559-2316
1559-2324
1559-2324
DOI:10.4161/psb.4.11.9872