Complex sentence: Shoot length up to 20 m and up to 6 cm in diameter.Leaves alternate with 2.5-13 cm long petiole, lamina 12--20 × 11--20 cm, profoundly 5-lobate, more or less auriculate.
Split into simpler sentences: Shoot length up to 20 m and up to 6 cm in diameter. Leaves are alternate with 2.5-13 cm long petiole, lamina 12--20 × 11--20 cm, profoundly 5-lobate, more or less auriculate.