赤皮青冈 chi pi qing gang

Quercus gilva Blume, Mus. Bot. 1: 306. 1850; Cyclobalanopsis hunanensis (Handel-Mazzetti) W. C. Cheng & T. Hong; Q. hunanensis Handel-Mazzetti.

Trees to 30 m tall. Branchlets densely pale orangish brown to tawny stellate tomentose. Petiole 1-1.5 cm, puberulent; leaf blade oblanceolate to obovate-elliptic, 6-12 × 2-3.5 cm, abaxially pale brown stellate velutinous, base cuneate, margin apical 1/2 with short, awnlike serrations, apex acuminate; secondary veins 11-18 on each side of midvein, abaxially slightly raised; tertiary veins abaxially obscure. Female inflorescence ca. 1 cm, rachis and bracts densely pale orangish brown tomentose; cupules usually 2. Cupule bowl-shaped, 6-8 mm × 1.1-1.5 cm, enclosing ca. 1/4 of nut, outside and inside pale grayish brown puberulent, wall ca. 1 mm thick; bracts in 6 or 7 rings, margin entire or denticulate. Nut obovoid-ellipsoid, 1.5-2 × 1-1.3 cm, apex puberulent; scar 5-6 mm in diam., slightly raised; stylopodium persistent, puberulent. Fl. May, fr. Oct.

Broad-leaved evergreen forests in mountains; 300-1500 m. Fujian, Guangdong, Guizhou, Hunan, Taiwan, Zhejiang [Japan]