Quercus blakei Skan

China (Hainan, Guizhou, Guangxi, Guangdong ); Laos; Vietnam; from 100 to 2500 m;

10-15 m high, but reaches 30 m ;

8-17 x 2-4 cm; narrowly elliptic-oval to oval-lanceolate; leathery; lustrous green above, densely tomentose underneath (young leaves have a reddish tomentum); margins entire, apical 1/2 toothed; base cuneate, apex acuminate; 8-14 pairs of lateral veins, abaxially raised; petiole slender, glabrous, 1.5-3 cm long;

female flowers in March, on 2 cm inflorescences;

acorn ovoid, 2.5-3.5 cm long, 1.5-3 cm in diameter, singly or paired; cup thin (1 mm), 5-10 mm long, 20-30 mm wide, with 6-7 rings denticulate at rim, outer surface grey brown tomentose, orangish silky inside, flattened, covering only base of nut; basal scar 7-11 mm wide, flat or impressed; stylopodium persistent, glabrescent; ripe in 1 year;

not hardy;

– A. Camus : tome 1, p. 183, n° 3; – Flora of China : n° 36; – Sub-genus Cerris, Section Cyclobalanopsis; – Section Semiserrata, sub-section Gemelliflorae ( Menitsky ). – For some Authors, it is a synonym of Q.glauca Thunb., (including Q.vaniotii = Q.blakei var. vaniotii (H.Lév.) Chun 1928; see Q.glauca …).