Spiky, round seed pods are one giveaway when you're ... American chestnut (Castanea dentata) are trees with green balls and used to be one of the most widespread native trees in North America ...

315 plants with round, yellow seeds 108 plants with round, green seeds 101 plants with wrinkled, yellow seeds 32 plants with wrinkled, green seeds Thus, the various phenotypes were present in a 9 ...