Vividly coloured poppy flowers due to dense pigmentation and strong scattering in thin petals.
Anthocyanin
Bee vision
Papaver
Pollination
Reflectance
Journal
Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology
ISSN: 1432-1351
Titre abrégé: J Comp Physiol A Neuroethol Sens Neural Behav Physiol
Pays: Germany
ID NLM: 101141792
Informations de publication
Date de publication:
06 2019
06 2019
Historique:
received:
17
10
2018
accepted:
24
12
2018
revised:
19
12
2018
pubmed:
29
1
2019
medline:
20
6
2020
entrez:
29
1
2019
Statut:
ppublish
Résumé
The flowers of poppies (Papaveraceae) exhibit bright colours, despite their thin and floppy petals. We investigated the optical properties of flowers of Papaver rhoeas, P. dubium, Meconopsis cambrica and Argemone polyanthemos using a combined approach of anatomy, spectrophotometry and optical modelling. The petals of Papaver flowers are composed of only three cell layers, an upper and lower epidermal layer, which are densely filled with pigment, and an unpigmented mesophyll layer. Dense pigmentation together with strong scattering structures, composed of serpentine cell walls and air cavities, cause the striking poppy colours. We discuss how various aspects of the optical signal contribute to the flower's visibility to pollinators.
Identifiants
pubmed: 30689019
doi: 10.1007/s00359-018-01313-1
pii: 10.1007/s00359-018-01313-1
pmc: PMC6579775
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
363-372Références
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