Quercus chenii Nakai

central China, to 600 m ;

30 m high;

7-12 cm long and 2-4 wide; lanceolate or oval-lanceolate; apex acute acuminate; base asymmetrically rounded; magin serrate, with thin 3-4 mm long teeth; glabrous both sides, even when young, except sometimes rare hairs on veins abaxially; 13-17 vein pairs, parallel; petiole hairless 0.8-1.5 mm long;

acorn ellipsoid 1.5-2 cm long x 1.3-1.5 in diameter, silky and mucronate at the tip; often solitary on a very short tomentose peduncle; cup halfround 1.5 cm in diameter, scales spreading,straight and tomentose; maturing in 2 years;

prefers lime-free soils; moderate hardiness (withstands -15°C);

– A.Camus : tome 1, p. 580, n° 120; – Subgenus Cerris, section Cerris, subsection Campylolepides (with acutissima and variabilis ); – In fact very close to the species-type acutissima (geographical form ?) ; for some authors (Govaerts & Frodin), it’s a good species.