滇西青冈 dian xi qing gang

Quercus lineata Blume var. lobbii J. D. Hooker & Thomson ex Wenzig, Jahrb. Königl. Bot. Gart. Berlin 4: 232. 1886; Cyclobalanopsis lineata (Blume) Oersted var. lobbii (J. D. Hooker & Thomson ex Wenzig) Schottky; Q. lobbii (J. D. Hooker & Thomson ex Wenzig) A. Camus.

Trees to 15 m tall. Branchlets glabrous, lenticellate; lenticels grayish brown, rounded. Petiole 1.5-2 cm, glabrous; leaf blade oblong-elliptic to rarely obovate, 7-13 × 3-5 cm, subleathery, abaxially whitish and with stellate hairs, adaxially glabrous, base narrowly rounded to cuneate, margin sharply serrate, apex acuminate; secondary veins 13-16 on each side of midvein, abaxially prominent, adaxially flat or slightly raised. Cupule bowl-shaped, ca. 8 mm × 1.5 cm, enclosing 1/3-1/2 of nut, outside whitish tomentose; bracts in 6-8 rings, margin dentate. Nut broadly ovoid, ca. 1.5 × 1.2 cm, glabrous, apex flat; scar slightly convex.

Quercus and Pinus forests in mountains; 2800-3300 m. W Yunnan [NE India]