The bullseye pre-pattern occurs early in petal development and marks the boundary where the colour changes from purple to white. (IMAGE)

University of Cambridge

The bullseye pre-pattern occurs early in petal development and marks the boundary where the colour changes from purple to white.

Caption

Colour map of the cell area across the adaxial epidermis (top surface) of Hibiscus trionum petals during early developmental stages. The petal pre-pattern becomes visible early in development before any sign of colour and when the petal is half a millimetre across with ~4000 cells.

Credit

Lucie Riglet. Published in Science Advances.

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