滑皮柯 hua pi ke

Quercus skaniana Dunn, J. Linn. Soc., Bot. 38: 366. 1908; Pasania skaniana (Dunn) Schottky.

Trees to 20 m tall; bud scales, branchlets, petioles, and rachis of inflorescences tawny tomentose. Petiole rarely to 1 cm; leaf blade obovate-elliptic, oblanceolate, or rarely elliptic to oblong, 6-20 × 4-9 cm, thickly papery, abaxially pilose on midvein but otherwise pubescent with simple and branched hairs, base cuneate, margin entire or ± undulate near apex, apex shortly caudate-acute to acuminate; secondary veins 9-14 on each side of midvein, adaxially usually slightly impressed; tertiary veins abaxially conspicuous, subparallel. Male panicle terminal or rarely solitary spikes in axils of leaves, to 25 cm. Female inflorescence with cupules in clusters of ca. 3. Infructescences 1-1.2 cm; rachis 2-3 mm thick. Cupule depressed globose to subglobose, 1.4-2 × 1.5-2.5 cm, almost completely enclosing nut, wall ca. 1 mm thick; bracts subulate to linear and 2-3 mm or triangular-squamiform and appressed, puberulent and scurfy. Nut depressed globose to broadly conical, 1.2-1.8 × 1.4-2.2 cm, glabrous, wall ca. 0.5 mm thick; scar 1.1-1.3 cm in diam., concave. Fl. Sep-Oct, fr. Sep-Oct of following year.

* Broad-leaved evergreen forests; 500-1000 m. C and S Fujian, Guangdong, Guangxi, Hainan, S Hunan, S Jiangxi, SE Yunnan