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<identifier>oai:HAL:hal-01202714v1</identifier>
<datestamp>2018-01-11</datestamp>
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<publisher>HAL CCSD</publisher>
<title lang=en>Thermogenesis in three Philodendron species (Araceae) of French Guiana</title>
<creator>Gibernau, Marc</creator>
<creator>Barabé, Denis</creator>
<contributor>Sciences pour l'environnement (SPE) ; Université Pascal Paoli (UPP) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Ecologie des forêts de Guyane (ECOFOG) ; Ecole Nationale du Génie Rural, des Eaux et des Forêts (ENGREF) - Institut National de la Recherche Agronomique (INRA) - Université des Antilles et de la Guyane (UAG) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>partly supported by grants from the Natural Sciences and Engineering Research Council of Canada (41794-98) and the "Fonds pour la formation de chercheurs et l'aide à la recherche" (Québec)</contributor>
<description>International audience</description>
<source>ISSN: 0008-4026</source>
<source>EISSN: 1480-3305</source>
<source>Canadian Journal of Botany</source>
<publisher>National Research Council Canada</publisher>
<identifier>hal-01202714</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-01202714</identifier>
<source>https://hal.archives-ouvertes.fr/hal-01202714</source>
<source>Canadian Journal of Botany, National Research Council Canada, 2000, 78, pp.685-689</source>
<language>en</language>
<subject lang=en>Araceae</subject>
<subject lang=en>flowering cycle</subject>
<subject lang=en>flower temperature</subject>
<subject lang=en>heating flower</subject>
<subject>[SDV] Life Sciences [q-bio]</subject>
<subject>[SDV.BV] Life Sciences [q-bio]/Vegetal Biology</subject>
<subject>[SDV.BV.BOT] Life Sciences [q-bio]/Vegetal Biology/Botanics</subject>
<subject>[SDV.BA] Life Sciences [q-bio]/Animal biology</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>Spadix temperature was measured in three species of Philodendron: P. acutatum, P. pedatum and P.solimoesense. These species showed two different patterns of spadix temperature during their flowering cycle.In P. acutatum and P. pedatum (subgenus Philodendron), the spadix warmed up twice during the beginning ofeach flowering night with a temperature not significantly different from that of ambient air between the twopeaks. In P. solimoesense (subgenus Meconostigma), the spadix temperature rose up to 14oC above that ofambient air during the first night, then it progressively cooled down but remained 3-6oC above ambient airtemperature. We propose that the heat production and the spadix temperature patterns observed may reflectdifferent physiological processes and have a taxonomic significance in the genus Philodendron.</description>
<date>2000</date>
</dc>
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