sentences:  The leaves are three-lobed, 4–9 cm long and 5–8 cm broad, with a 6–7 cm long petiole; the petiole bleeds white latex if cut.The flowers are produced in spring at the same time as the leaves open, yellow-green, in erect corymbs.The fruit is a samara with two winged seeds aligned at 180°, each seed 8 mm wide, flat, with a 2 cm wing.