What does lilac look like? Attached.

Lilac tree shrubs or small trees, up to 5 meters high; The bark is grayish brown or gray. Branchlets, inflorescence axes, pedicels, bracts, calyx, young leaves and petioles are glabrous and densely glandular hairy. Branchlets thick and sparsely lenticels.

The leaves are leathery or thick papery, oval to kidney-shaped, usually wider than long, 2-14cm long and 2-15cm wide, with a short tip to a long tip or a sharp tip, heart-shaped, truncated to a nearly round base, or a wide wedge, dark green at the top and light green at the bottom; The leaves on the sprouting branches are often oblong, with sharp tips and wide wedges at the base. Petiole length 1-3 cm.

Panicle erect, lateral buds germinate, nearly spherical or oblong, 4- 16 cm long and 3-7 cm wide; Pedicel 0.5-3 mm long; Calyx is about 3 mm long, and calyx teeth are acuminate, acute or obtuse.

Corolla purple, length 1. 1-2 cm, corolla tube cylindrical, length 0.8- 1.7 cm, lobes spreading at right angles, oval, ovoid to obovate, length 3-6 mm, width 3-5 mm, apex slightly baggy or absent; Anthers yellow, located 0-4 mm from throat of corolla tube. The fruit is obovate-oval, ovoid to oblong, with a length of 1- 1.5 cm and a width of 4-8 mm, and the top is long, tapering and smooth.