Flower Color Evolution

The evolution of floral traits in animal-pollinated plants involves the interaction between flowers as signal senders and pollinators as signal receivers. Flower colors are very diverse, effect pollinator attraction and flower foraging behavior, and. Flowers are the most commonly seen colourful elements of the natural world, and in this primer we explain the evolution of their spectacular range of colours.

To understand flower colour, we first explain what colour is and how a flower can have different colours in the eyes of different observers. We briefly introduce the molecular and biochemical basis of flower colour, which is primarily. Flower color is a deceivingly simple trait that has been extremely labile during evolution: Sister species from several genera can show substantially different pigmentation patterns, and repeated shifts in flower color are observed within a single genus.

Therefore, this study underscores the need to continue dissecting the genetic basis of convergent evolution across phylogenetic scales, including the further development of flower color transitions as an essential model trait in evo. The astounding variety of floral hues, intensity, and pat-terns of pigmentation makes it appear as if there are few constraints on the evolution of flower color. However, con.

Yet, flower color in Petunia may not indiscriminately break evolutionary laws. The R2R3. "Thus, the visual cue provided by colour in flower petals could have first evolved as a secondary effect," she writes.

Anthocyanin pigments first built up in gymnosperms, which predate angiosperms (flowering plants) and include conifers, cycads, and Gingko. These pigments gave some gymnosperms' seed cone bracts - specialized, scaly leaves - a red color, and also provided photoprotection. Flower colors brighten our natural world.

How and why have they evolved? How might ongoing global warming alter their evolutionary trajectories? In this review, I examine the influence of ambient temperature on the evolution of flower color. Given the wide body of literature on pollinator-mediated selection, I restricted the review to temperature. Smith and Goldberg 2015 Tempo and mode of color evolution 2 ABSTRACT Premise of the Study:Flower color is one of the best-studied floral traits in terms of its genetic basis and ecological significance, yet few studies have examined the processes that shape its evolution across deep timescales.