Roses of all colors exist today, including red, pink, peach, and white. They belong to the genus Rosa. They make […] ...

The results revealed that the earliest roses were yellow, with just one row of petals, and leaves split into seven leaflets.

and that the plants probably evolved to adapt to distinct climates — yellow flowers with small leaves in the arid northwest, and white, fragrant bunches of flowers in the warm, humid southwest. The ...