2. The thorn-free Ilex cornuta is a shrub or small tree, 5 meters high and multi-branched; Broad-leaved trees are shrubs or small trees, which are 3 meters high and have many branches.

3. The spineless leaves of Ilex cornuta are oval to oval, with irregular blunt teeth at the edge; The leaves of chrysanthemum morifolium are oval to oval with blunt teeth at the edge.