Other images:

• Flower close-up, early May 
• Leaf close-up 
• Typical large stipules, early May 
• Flower bud, early May 
• General tree architecture 
• Typical young bark 

Voucher: Kostadinov 059, (URV)

Brief description: A large tree. Leaves are glabrous, simple, alternate, 4-lobed, retuse, pinnately veined with entire margins. Flowers are bisexual, large, solitary and terminal, with pale green sepals and greenish-yellow petals . Fruits are narrow and elongate, dry, in a cone. 

Campus data: Abundant everywhere in the wild, not cultivated. Mature trees are usually very large.