Quercus poilanei Hickel & A.Camus

Vietnam; China (Guangxi); N Thailand; below 1300 m ;

8-16 m tall; trunk to 0,6 m in diameter;

4-8 x 3.6 cm; oval-lanceolate; apex acuminate to shortly caudate; base broadly cuneate; margin entire or sometimes with few small teeth towards apex; young leaves tawny stellate tomentose; dark green above, glabrescent; yellow stellate tomentose beneath; 7-12 vein pairs, impressed upside, prominent below; petiole 1-1.5 cm long, tomentose at first, glabrescent;

April; pistillate inflorescences 5 cm long, bearing 3-10 flowers; female flowers with 3 bilobed styles;

acorn 1-1.5 cm in diameter, globose; apex mucronate, slightly depressed; enclosed 1/4 to 1/3 by cup; cup 0.8 cm long, 1.6 cm in diameter, golden tomentose inside and outside, 1.8 mm thick, with 5-7 concentric rings marginally denticulate or entire; scar flat, 5-7 mm wide; maturing in 2 years;

not hardy; subtropical broad leaved evergreen forests;

– A. Camus : tome 1, p. 243, n° 31; – Sub-genus Cerris, Section Cyclobalanopsis; – Section Lepidotricha ( Menitsky );