Sanhua Rhododendron evergreen shrub sparse small tree, 1-4 meters high; The leaves are usually leathery, with no hair on both sides. The inflorescence grows axillary at the top or at the same time, and the short raceme grows near the umbrella shape. The flowers are few to many, usually three; Calyx undeveloped, circular or with short lobes; The ovary is 5-chambered, densely covered with scales, usually hairless, rarely soft haired, and the capsule is usually oblong. Seeds without wings. The flowering period is from May to June, and the fruiting period is from July to August. Under mountain shrubs, oak forests, alpine pine forests or spruce and fir forests, at an altitude of 2500-3700 meters. Distributed in China, Myanmar, India, Bhutan, Sikkim, and Nepal. This species is cultivated and has high horticultural value.