龙州锥 long zhou zhui

Trees; branchlets, leaf blades, and infructescences glabrous. Young shoots grayish, sparsely lenticellate; lenticels grayish, slightly raised. Petiole 1-1.5 cm; leaf blade elliptic, ovate-elliptic, or sometimes obovate, 8-10 cm, firmly papery, slightly brittle, concolorous, abaxially with a thin layer of closely adherent grayish waxy scalelike trichomes, base attenuate, margin from middle to apex dentate to crenate, apex acute and slightly pointed; midvein abaxially prominently raised; secondary veins 9-12 on each side of midvein. Female inflorescences 1-2 cm; flowers few, solitary along rachis. Infructescences almost as long as rachis, sparsely lenticellate; lenticels grayish. Cupule shallowly cupular, 5-6 mm, covering base or no more than basal 1/4 of nut; bracts imbricate, adnate, broadly ovate to ovate-elliptic, gray puberulent, margin slightly membranous. Nut broadly conical, 1-1.5 cm in diam.; scar basal, ca. 4 mm in diam. Fl. Feb-Mar, fr. Aug-Sep.

* Broad-leaved evergreen forests; 400-600 m. Guangxi (Longzhou Xian)

See also: CHEN, Li et al. 2009. Lithocarpus longzhouicus comb. nov. (Fagaceae) from China: based on morphological and molecular data. Nordic J. Bot. 27: 90-96. 2009.