Juniperus tibetica

Juniperus tibetica, the Tibetan juniper, is a species of juniper, native to western China in southern Gansu, southeastern Qinghai, Sichuan, and Tibet Autonomous Region, where it grows at high to very high elevations of 2,600–4,900 metres (8,500–16,100 feet). This species has the highest known elevation treeline in the northern hemisphere. The highest known stand of J. tibetica was found at 29°42' N 96°45' E at 4900 m in southeastern Tibet (Xizang Autonomous Region, Baxoi County). It is an evergreen coniferous shrub or small to medium-sized tree growing to heights of 5–15 m (16–49 ft), rarely 30 metres (98 ft), with a trunk up to 2 metres (6+1⁄2 ft) in diameter. The leaves are of two forms, juvenile needle-like leaves 5 millimetres (1⁄4 inch) long on seedlings and occasionally (regrowth after browsing damage) on adult plants, and adult scale-leaves 1.5–3 mm (1⁄16–1⁄8 in) long on older plants; they are arranged in decussate opposite pairs or whorls of three. The cones are ovoid, berry-li......read more on Wikipedia.