Hollyhock can grow up to 2m high, with bristles on its stems and flower branches. But the height of mallow is only 50-90cm, there are many branches, there are some sparse coarse hairs on it.
The leaves of hollyhock are nearly central, and the leaf diameter is between 6-16 cm. Leaves divided, lobes triangular or rounded. It has petioles, 5-15cm in length, with long and hard hairs on it. However, the leaves of Mallow are round or kidney shaped, with a diameter of 5-12cm and serrated leaf margin. It also has petioles, with a length of 4-8cm. There is almost no hair on it, but there are long and hard hairs in its grooves.
The flower diameter of hollyhock is 6-10cm. The flowers of Mallow will be 3-11 in clusters, with a diameter of 3.5-4cm.