Propagation
Stratify seeds for 2 to 3 months during winter in peat and sow seeds in pots and place them in a cold frame to germinate.
Take cuttings during spring and placed them on a misting bench with bottom heat.
Graft cultivars onto seedling understock in autumn. This tree is difficult to transplant.
Botanic information
Leaf: The leaves have 4 pointed lobes with truncate apex and a slightly cordate base with a petiole up to 100 (4in) long. In autumn the leaves turn golden yellow before falling. The terminal reddish buds are up to 12mm (½in) long, valvate and covered in white dots. The laterals buds are smaller.
Flower: The tree must be semi mature before it flowers. The cyathiform flower is a primitive structure with 6-petals that are up to 37mm (1½in) long and are green with orange markings on the inside. They are accompanied by 3-reflexed sepals and the tulip shaped flower appear solitary during mid spring.
Fruit: The conical fruit are erect brown and woody (cone-like) and contains numerous winged seeds with only a few that are viable. The fruit is persistent on the tree throughout winter. The plant may be reproduced vegetatively.