The leaves of Rhododendron are oval shaped, or long oval to oblong oval, with a length of about 3.5-6.5cm and a width of about 1.5-3.5cm. The apex is blunt, or sharp with few cusps, and the base is cuneate or wide cuneate or wide cuneate, with no hairs on both sides. Petiole is not very long, or it is sessile, its length is about 5 - 15 mm.
The flower diameter of Rhododendron is about 2.3-3.5cm, and the calyx tube is in the shape of light bell with no hair on it. Sepals are wide triangles with a length of about 2mm. The apex of sepals is sharp or blunt. Its edge has sharp fine serrations, which is yellow green. The petals are obovate, about 1.5cm long, white, with short claws at the base.