Quercus saravanensis A.Camus

China (Yunnan), Laos, Thailand, Vietnam ; 800-1700 m;

25 m tall, but may reach 50 m tall, with trunk to 1 m in diameter;

10-14 x 2.5-4.5 cm; oval-elliptic to oblong-lanceolate; leathery; apex caudate; base cuneate; margin entire, slightly wavy, sometimes with rare small teeth near apex; both sides hairless; rich green above; grey green beneath; midrib impressed above; (6-)9-12 inconspicuous vein pairs, at an angle of 30-32° with midrib; petiole glabrous, dark brown, 2.5 cm long;

acorn 1.5-2 cm in diameter, subglobose; hairless; mucronate; enclosed 1/4 by cup; cup sessile, cyathiform, 1-2 mm thick, 1.5 cm long, 1.7 cm in diameter, with 5-6 concentric rings with entire margin; scar 8 mm wide, convex; maturing in 2 years;

not hardy; wet forests;

– A. Camus : tome 1, p. 301, n° 54 ; – Sub-genus Cerris, Section Cyclobalanopsis;