宁冈青冈 ning gang qing gang

Quercus ningangensis (W. C. Cheng & Y. C. Hsu) C. C. Huang.

Trees to 15 m tall. Branchlets gray, sparsely hairy. Petiole 1.5-3 cm, dark when dry, basally tomentose; leaf blade oblong-elliptic, elliptic, or ovate-lanceolate, 8-13 × 2-4 cm, abaxially densely with gray, shortly stellate hairs, base rounded to broadly cuneate, margin glandular serrate, apex acuminate to caudate; midvein impressed; secondary veins 13-15 on each side of midvein, adaxially slightly raised, fusing at serration. Female inflorescences borne in axil of a higher leaf, solitary, 1.5-2 cm, cupules 7-10 but usually only 2 or 3 fertile. Cupule cupular, ca. 5 mm × 1 cm, outside sparsely gray hairy, inside gray sericeous, wall ca. 1 mm thick; bracts in 6 or 7 rings. Nut tawny, oblong-ellipsoid, 1.5-2 × 0.8-1.2 cm, glabrous; scar ca. 5 mm in diam., subrounded; stylopodium persistent, conspicuous.

* Guangxi, Hunan, Jiangxi