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

123. Lithocarpus areca (Hickel & A. Camus) A. Camus, Riviera Sci. 18: 39. 1931[1932].

槟榔柯 bin lang ke

Pasania areca Hickel & A. Camus, Ann. Sci. Nat., Bot., ser. 10, 3: 404. 1921; P. longinux Hu.

Trees 10-15 m tall. Branchlets grayish, glabrous, lenticellate. Petiole 0.5-1.5 cm; leaf blade oblanceolate to narrowly oblong, 13-25 × 3.5-5.5 cm, papery, concolorous, both surfaces glabrous or with tuft of hairs at axils of veins, both ends attenuate, base decurrent on petiole, margin with a few sharp teeth from middle to apex or sometimes entire; secondary veins 9-15 on each side of midvein and usually adaxially ± impressed; tertiary veins abaxially conspicuous. Male inflorescences axillary, solitary or rarely in a panicle, 5-8 cm, densely flowered; rachis slender. Female inflorescences 4-10 cm, often androgynous with female flowers on basal part of rachis; cupules in clusters of 3-5, usually 1 developed. Infructescence rachis ca. 5 mm thick. Cupule discoid, 1.6-1.8 cm in diam., covering base of nut, wall 1-2 mm thick; bracts linear, 2-4 mm when young, to 8 mm when mature. Nut ellipsoid to long conical but flat at apical part, 4-5 × 2-3.5 cm, with 3 longitudinal obtuse ridges, glabrous, apex pointed, wall 2-3 mm thick; scar 0.8-1.5 cm in diam., concave. Fl. Oct, fr. Nov of following year.

Broad-leaved evergreen forests; 800-1500 m. W Guangxi, SE Yunnan [N Vietnam]


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