
New Phytologist, Год журнала: 2025, Номер unknown
Опубликована: Май 20, 2025
Summary Colorful petal patterns fulfill important functions and constitute excellent systems to illuminate the evolutionary processes that generate morphological diversity or instead support repetitive emergence of similar forms. Here, we combined phylogenomic approaches, genetic manipulations, molecular techniques, bee behavioral experiments (i) solve species relationships across Trionum complex, a small Hibiscus clade displays bullseye varying in size, hue, composition, (ii) identify key genes involved production pigmentation, (iii) reveal events underpinning pattern variation during evolution group. We found epidermal cell shape, texture, pigmentation are genetically distinct is most labile feature demonstrate reduction primarily occur through independent modifications single locus encoding BERRY1, an R2R3 MYB (myeloblastosis) regulates anthocyanin pigment petals. also buff‐tailed bumblebees discriminate against flowers with smaller sizes, suggesting changing proportions impact plant–pollinator interactions. Our results how repeated mutations led patterning, trait shown plant fitness other contribute angiosperm reproductive isolation speciation.
Язык: Английский