Japanese Chestnuts
(Castanea crenata)
Japanese Chestnut LeafVery small teeth on leaf edges
Leaf elongate, with almost parallel sides
American Bur --------Japanese Bur
American Chestnut Burs: A dense mass of long, slender spines Spines are 2 to 3 cm long, 0.5 mm thick Up to 3 nuts per bur |
Japanese Chestnut Burs: A mass of spines that interlock in a thatched pattern Up to 3 nuts per bur |
American - Chinese - Japanese - European
American - Chinese - Japanese - European
American Chestnuts: Nuts are relatively small, 1/2 to 1 inch in diameter Tips of American chestnuts are pointed Nuts are hairy over 1/3 to 2/3 of length from pointed end Vascular bundles in a sunburst pattern on hilum end 2 to 3 nuts in each bur |
Japanese Chestnuts: Nuts are relatively large, 1 to 2 inches in diameter Tips of Japanese chestnuts are pointed Very little surface hair; only at tip Vascular bundles in a diffuse pattern on hilum end 2 to 3 nuts in each bur |