How does the amount of lobing vary among leaves on the same ginkgo tree?

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There is a significant range of variation in the degree of lobing and dissection among leaves on the same Ginkgo biloba tree. The specific form of the leaf often depends on its location on the tree:1

Spur (short) branches: These typically feature both bilobed and undivided leaves.1
Long branches: Most leaves on the upper part of a long branch are divided by a deep sinus into two lobes, and each of those lobes may be further lobed.1
New branches (sucker shoots): Multilobed leaves are commonly found on these new shoots that arise from the tree trunk at ground level.1