Often deciduous, leafless for a period in July or August. Stem often with one flat side. Yellowish or orange flecks in the blaze.
Leaf bearing twigs square or rectangular in cross section and marked by scattered, elongated lenticels. Young shoots and terminal buds densely clothed in very short, rusty brown hairs. Leaf blades about 5-12 x 4-7 cm, much paler or whitish on the underside. Domatia if present are tufts of hairs. A few small, flat glands generally visible on the underside at the base of the leaf blade.
Cotyledons obovate, about 7-8 mm long, hairy on both the upper and lower surfaces. First pair of leaves ovate, usually without teeth. At the tenth leaf stage: leaf blade elliptic, teeth, if present, dentate and apiculate, about 1-5 on each side of the leaf blade, upper surface glabrous or with a few hairs along the midrib; petiole clothed in short, pale brown hairs. Seed germination time 62 to 168 days.