Vasilis Teodoridis:
Fagaceae | Lithocarpus
22. Lithocarpus cleistocarpus (Seemen) Rehder & E. H. Wilson in Sargent; Pl. Wilson. 3: 205. 1916.
??? bao guo ke
Trees 5-10 m tall. Branchlets of current year sulcate. Petiole 1-2.5 cm; leaf blade ovate-elliptic to oblong; 9-16 x 3-5 cm; leathery; abaxially with adherent; waxy scalelike trichomes; base attenuate and decurrent on petiole; margin entire; apex acuminate; secondary veins 7-10 on each side of midvein; abruptly curving apically; obscure near margin; tertiary veins abaxially slender; evident; laxly spaced. Male inflorescences solitary in a paniculate cluster; rachis with lamellate waxy scalelike trichomes. Female and androgynous inflorescences with cupules in clusters of 3-5 scattered on rachis. Infructescences 7-10 cm; rachis 4-5 mm thick. Cupule subglobose or turbinate; 2-2.5 cm in diam.; enclosing 2/3 to most of nut; apically flat; wall ca. 1.5 mm thick at middle; basal bracts fused to wall and reduced to scars; apically triangular; appressed; and covered with tawny or grayish brown; minute; waxy scalelike trichomes. Nut turbinate; sparsely puberulent or glabrous; apex slightly concave; ± flat; or arcuate-convex; scar covering 1/2-3/4 of nut; convex. Fl. Jun-Oct; fr. summer to winter of following year.
* Broad-leaved evergreen forests; mixed mesophytic forests; 1000-2400 m. Anhui; Fujian; N Guizhou; W Hubei; Hunan; Jiangxi; S Shaanxi; Sichuan; NE Yunnan; Zhejiang.