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Nature. 2005 Sep 15;437(7057):334.

Botany: floral fluorescence effect.

Author information

1
Departamento de Bioquímica y Biología Molecular A, Unidad Docente de Biología, Facultad de Veterinaria, Universidad de Murcia, 30100 Espinardo, Murcia, Spain.

Abstract

The way flowers appear to insects is crucial for pollination. Here we describe an internal light-filtering effect in the flowers of Mirabilis jalapa, in which the visible fluorescence emitted by one pigment, a yellow betaxanthin, is absorbed by another, a violet betacyanin, to create a contrasting fluorescent pattern on the flower's petals. This finding opens up new possibilities for pollinator perception as fluorescence has not previously been considered as a potential signal in flowers.

PMID:
16163341
DOI:
10.1038/437334a
[Indexed for MEDLINE]

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