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Abstract Detail

Development and Structure

Sinnott-Armstrong, Miranda [1], Ogawa, Yu [2], van de Kerkhof, Gea Theodora [3], Vignolini, Silvia [3], Smith, Stacey [4].

Convergent evolution of lipid-based structural colors in fruits: a new example in Lantana strigocamara.

Most colors in plants are created through pigments, especially anthocyanins and carotenoids. However, structural colors, produced by nanostructures that interfere with light to reflect certain wavelengths over others, are increasingly being identified across a variety of plant tissues. The colors of fleshy fruits are especially important for attracting animal dispersers, and structural colors in animal-dispersed diaspores are some of the most unusual and distinctive colors in nature. However, only five origins of structural colors in fruits and seeds are currently known. Here, we describe a new structural color in the fruits of Lantana strigocamara, the highly invasive and commonly planted hybrid cultivar. This structure is morphologically convergent with, but chemically divergent from, the lipid-based photonic structure in Viburnum tinus. This is the second known independent origin of a lipid-based photonic structure in nature.

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1 - University Of Colorado-Boulder, Ecology And Evolutionary Biology, 1900 Pleasant St. Ramaley Bldg N122, Boulder, CO, 80309, United States
2 - CERMAV, CNRS, Grenoble, France
3 - University of Cambridge, Department of Chemistry, Lensfield Road, Cambridge, UK
4 - University Of Colorado-Boulder, EBIO Department, Campus Box 0334, Boulder, CO, 80309, United States

fruit color
structural color
Seed Dispersal.

Presentation Type: Oral Paper
Session: DS2, Development and Structure II
Location: /
Date: Wednesday, July 21st, 2021
Time: 1:00 PM(EDT)
Number: DS2012
Abstract ID:502
Candidate for Awards:None

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