Ginkgo biloba 'Chotek' is a male form, introduced by Horak, Bystrice, pod Hostynem , Czech Republic. It is sometimes known as 'Kromeriz'. The plant is strong, fairly upright and has leaves of different size throuhout the canopy. It will ocassionally produce leaves of different shapes, some tube shaped leaves and thin filament like leaves. Expect a height in excess of 2 m in 10 years.