Rhododendron cinnabarinum

Rhododendron cinnabarinum (朱砂杜鹃) is a rhododendron species native to eastern Nepal, Bhutan, Sikkim, southeastern Tibet, and southwest China, where it grows at altitudes of 1,900–4,000 m (6,200–13,100 ft). It is a straggling evergreen shrub that grows to 1–3 m (3.3–9.8 ft) in height, with leathery leaves that are broadly elliptic, oblong-elliptic to oblong-lanceolate or ovate, 3–6 by 1.5–2.5 cm in size. The flowers are yellow to cinnabar red, sometimes ranging to plum colors....read more on Wikipedia.