Original: The leaves are opposite , pinnate with four leaflets ( two opposite pairs ; no terminal leaflet ) , each leaflet 1 to 7 cm ( to 2 3/4 in ) long and 1 to 3 cm ( to 1 inch ) broad .
Simplified: Peanuts are annual herbaceous plants growing 30 to 50 cm ( 1 to 1.5 ft ) tall .