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FOC | Family List | FOC Vol. 4 | Fagaceae | Lithocarpus

36. Lithocarpus triqueter (Hickel & A. Camus) A. Camus, Riviera Sci. 18: 42. 1931[1932].

棱果柯 leng guo ke

Pasania triquetra Hickel & A. Camus, Ann. Sci. Nat., Bot., ser 10, 3: 400. 1921.

Trees tall; Petiole 2-2.5 cm; leaf blade narrowly oblong to oblanceolate-elliptic, 15-25 × 5-7 cm, thickly papery, leaf blades abaxially and rachis of inflorescences with lamellate, appressed, waxy scalelike trichomes, abaxially grayish brown, adaxially dark brown when dry, base cuneate and decurrent on petiole, margin entire, apex shortly acuminate; secondary veins 8-11 on each side of midvein, curving apically, obscure near margin. Male inflorescences in a panicle, to 20 cm. Female inflorescences 8-10 cm; cupules in clusters of ca. 3. Infructescence rachis stout, base ca. 1 cm thick. Cupule subglobose, ± asymmetric, 2.2-2.6 cm in diam., enclosing nut; bracts imbricate, triangular, squamose, gray to light brown when dry, densely scurfy. Nut subglobose, 1.6-2.4 cm, depressed on 1 or 2 sides, obtusely ridged from middle to apex, wall ca. 1 mm thick; scar covering ca. 1/2 of nut, convex. Fl. Jun, fr. Sep-Oct of following year.

Broad-leaved evergreen forests; 600-1200 m. SE Yunnan [N Vietnam]


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