Anthocyanins are major pigments responsible for the vivid colors of ornamental flowers. However, the metabolic origin of the precursor phosphoenolpyruvate (PEP), which fuels anthocyanin biosynthesis ...

Easy-to-grow, sturdy petunia plants produce flowers with a great variety of spectacular colors and a captivating scent. The Maya in Mexico and Inca in Peru believed that the scent of petunias had the ...