Simplify the following text for a Grade 3 native English-speaking person.
Original: The leaves are alternately arranged simple ovals 5 to 12 cm long and 3 - broad on a 2 t petiole with an acute tip , serrated margin and a slightly downy underside .
Simplified: The leaves are alternately arranged simple ovals . They are 5 to 12 cm long and 3 - wide .