Quercus acutissima, the sawtooth oak, is an Asian species of oak native to China, Tibet, Korea, Japan, Taiwan, Siberia, Mongolia, Bangladesh, Philippines, Indonesia, Malaysia, India, Pakistan, Sri Lanka, Brunei, Indochina (Vietnam, Thailand, Myanmar, Cambodia, Laos), Himalayas (Nepal, Bhutan, Northeast India).

Cerris, a section of the genus characterized by shoot buds surrounded by soft bristles, bristle-tipped leaf lobes, and acorns that mature in about 18 months.

[3] Quercus acutissima is a medium-sized deciduous tree growing to 25–30 metres (82–98 feet) tall with a trunk up to 1.5 m (5 ft) in diameter.

The leaves are 8–20 centimetres (3+1⁄4–7+3⁄4 inches) long and 3–6 cm (1+1⁄4–2+1⁄4 in) wide, with 14–20 small saw-tooth-like triangular lobes on each side, with teeth of very regular shape.

Cerris, a section of the genus characterized by shoot buds surrounded by soft bristles, bristle-tipped leaf lobes, and acorns that mature in about 18 months.