How Many Petals on a Rose?

by Esteban

Are roses all seven-petaled? Do they all have seven petals?

No. A web search reveals that they have FIVE. Most of them.

http://www.google.com/search?client=safari&rls=en&q=how+many+petals+does+a+rose+have%3F&ie=UTF-8&oe=UTF-8