1、 Leaf difference

The leaves of white clove are small, and there are sparse villi on the leaf surface. Its leaves are paper, single leaves are alternate, the leaves are oval or kidney shaped, and the apex of the leaves is sharp

The leaves of lilac are leathery or thick paper. The shape of the leaves is oval or kidney shaped. Usually, the width of the leaves is about long, 2 to 14 cm long and 2 to 15 cm wide. The apex of the leaves is short and convex, or the length gradually becomes sharp, and the base is truncated or wide wedge-shaped

2、 Flower difference

The flowers of white clove are white and form a panicle. The flowers are 4-lobed and tubular, and the petals are divided into single and double petals

The inflorescence of lilac is erect and sprouted from lateral buds. It is nearly spherical or oblong, 4 to 16 cm long and 3 to 7 cm wide. The Corolla is purple