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

62. Lithocarpus microspermus A. Camus, Bull. Soc. Bot. France. 81: 818. 1934 [1935].

小果柯 xiao guo ke

Pasania microsperma (A. Camus) Hu.

Trees 10-15 m tall. Branches and leaf blades. Petiole 1-1.5 cm; leaf blade oblong, 15-25 × 5-8 cm, abaxially with adherent waxy scalelike trichomes and ± glaucous when dry, adaxially glabrous, base broadly cuneate, margin entire, apex acute to acuminate; midvein raised adaxially; secondary veins 16-22 on each side of midvein; tertiary veins abaxially conspicuous, subparallel. Male inflorescences solitary in axils of leaves or 3-5 arranged in a panicle; rachis densely scurfy. Female inflorescence with cupules in clusters of 2 or 3. Infructescences 10-18 cm; rachis ca. 5 mm thick. Cupule shallowly bowl-shaped, 3-5 × 8-10 mm, enclosing 1/4-1/3 of nut, wall 0.2-0.5 mm thick; bracts inconspicuous, imbricate or united into rings at base of cupule, triangular. Nut depressed globose, 5-7 mm, rarely over 1 cm in diam., sparsely pulverulous, apex flat, wall 0.2-0.5 mm thick; scar 4-6 mm in diam., concave. Fl. Oct-Dec, fr. Oct-Dec of following year.

Broad-leaved evergreen forests; 800-1500 m. S Yunnan [Laos, N Vietnam]


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