The crown of lilac can be as high as 5 meters. Its color is grey or Taupe.
Its leaves are oval or kidney shaped, and its width is almost longer than its length. Its apex is acuminate. Its base is round or heart-shaped, with dark green above and light green below.
The corolla of lilac is purple, the length is about 1-2cm, the anther is yellow, the color of petals is purple, some will turn white, and the petals are very small.
The fruit of lilac is smooth, oval or oval, and some are long oval, about 1-2cm in length, and the apex is relatively sharp.