The leaf of the hawthorn is ovate lobed (3-lobed), the two lower lobes are much smaller than the terminal lobe. The leaf margin is serrated and the leaves are alternate.
The flowers of the hawthorn are white and stand up together in clusters. The flower has five petals.
The fruit is apple-like, but only 1-2 cm (0.4 - 0.8 in) big.
The trunk and branches are covered with thorns. The thorns are conspicuously long. The buds are small and roundish.