52. Lithocarpus konishii (Hayata) Hayata, Icon. Pl. Formosan. 6 Suppl.: 72. 1917.
油叶柯 you ye ke
Quercus konishii Hayata, J. Coll. Sci. Imp. Univ. Tokyo 25(19): 201. 1908; Pasania konishii (Hayata) Schottky; Q. cornea Loureiro var. konishii (Hayata) Hayata; Synaedrys konishii (Hayata) Koidzumi.
Trees usually less than 5 m tall. Spring shoots glabrous, autumn shoots tawny pubescent. Petiole 0.5-1.5 cm; leaf blade ovate, obovate, elliptic, or obovate-elliptic, 4-9 × 1-4 cm, papery and slightly rigid, concolorous, abaxially with tufts of hairs at axils of veins, base cuneate, margin with 3-6 obtuse teeth, apex acute to caudate-acuminate; midvein puberulent adaxially; secondary veins 7-10 on each side of midvein, adaxially slightly impressed; tertiary veins slender, evident. Female flowers borne on basal part of androgynous inflorescences; rachis tawny tomentose; cupules 1(or 2). Infructescences 2-3 cm; rachis 1.5-2 mm thick, lenticellate. Cupule discoid, 4-8 mm × 1.5-2.5 cm, enclosing basal part of nut, wall 1.5-2 mm thick; bracts imbricate, broadly triangular, covered with grayish brown, shortly tomentose hairs, midvein ridged. Nut depressed globose, 1-1.8 × 2-3 cm, glabrous, apex rounded or flat, wall 3-6 mm thick and horny; scar 1.3-2.4 cm in diam., margin impressed but center ± convex. Fl. Apr and Aug, fr. Jul-Oct of following year.
* Broad-leaved evergreen forests; 300-1600 m. E Hainan, C to S Taiwan