- Usually smaller than American chestnut leaves, but highly variable
- Chinkapin leaves exposed to the sun are whitish underneath because of numerous leaf hairs
- American chestnut leaves, in contrast, have few hairs and are light green underneath
Chinkapin Burs versus Chestnut Bur
- Chinkapin burs are often in grape-like clusters.
- Chinkapins have only one small, pointed nut per bur (versus up to three nuts per bur for chestnuts).
- Chinkapin burs open into two sections (valves) whereas chestnut burs open into four sections.
Top: Chinkapin nuts: note the pointed end
Middle: American chestnuts: note the hairy surface
Bottom: Chinese chestnuts: note the rounded end