The summer haw (Crataegus flava) belongs to Rosaceae (the Rose family). It is a small deciduous tree that is native to south-eastern North America, Virginia to Florida, west to Mississippi. This tree grows in open woods and low hills, and it can reach 8-10 m in height. The leaves are cuneatic or broad obovate, and arranged in alternate. The white flowers bloom from May to June. The fruits are yellow, pear-shaped, up to 16mm in diameter, and can be used to make jellies and jams. The tiber is hard and can be made into small tools.