毛果青冈 mao guo qing gang

Quercus pachyloma Seemen, Bot. Jahrb. Syst. 23(Beibl. 57): 54. 1897; Cyclobalanopsis pachyloma var. mubianensis Y. C. Hsu & H. W. Jen; C. pachyloma var. tomentosicupula (Hayata) J. C. Liao; Q. conduplicans Chun; Q. gracilenta Chun; Q. pachyloma var. mubianensis (Y. C. Hsu & H. W. Jen) C. C. Huang; Q. tomentosicupula Hayata.

Trees to 17 m tall. Branchlets orangish brown tomentose, glabrescent. Petiole 1.5-2 cm; leaf blade obovate, oblong-elliptic, or lanceolate, 7-14 × 2-5 cm, leathery, orangish woolly hairy when young, glabrescent, base cuneate, margin apical 1/2 remotely serrate, apex acuminate to caudate; secondary veins 8-11 on each side of midvein; tertiary veins abaxially slender, evident. Female inflorescences 1.5-3 cm, densely brown tomentose, with 2-5 cupules. Cupule semiglobose to campanulate, (1-)2-3 × 1.5-3 cm, enclosing ca. 1/3-2/3 of nut, outside usually densely tawny, tomentose, inside tawny thickly feltlike tomentose, wall ca. 1.5 mm thick; bracts in 7 or 8 rings, margin entire or dentate. Nut ellipsoid, oblong-ellipsoid, or obovoid, 1.2-1.6 cm in diam., densely tawny tomentose when young but glabrescent, apex rounded; scar 5-7 mm in diam., slightly convex; stylopodium persistent, 2-3 cm in diam. Fl. Mar, fr. Sep-Oct.

* Wet forests on mountain slopes and in valleys; 200-1000 m. Fujian, Guangdong, Guangxi, Guizhou, Hunan, Jiangxi, Taiwan, Yunnan