Complex sentence: Leaves are alternate and pinnate with 8 to 30 leaflets, opposite on the leaf stalk, entire or toothed, ovate lanceolate in shape, 8 to 15 cm long.
Split into simpler sentences: Leaves are alternate and pinnate with 8 to 30 leaflets. Opposite on the leaf stalk, entire or toothed, ovate lanceolate in shape, 8 to 15 cm long.