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

36. Castanopsis fargesii Franchet, J. Bot. (Morot). 13: 195. 1899.

丝栗栲 kao

Castanopsis argyracantha A. Camus; C. cryptoneuron (H. Léveillé) A. Camus ex Rehder; C. taiwaniana Hayata; Pasania ischnostachya Hu; Quercus cryptoneuron H. Léveillé; Q. pinfaensis H. Léveillé & Vaniot.

Trees 10-30 m tall; bud scales, young branchlets from middle to apex, petiole of young leaf blades, and leaf blades abaxially covered with glabrescent, rust-colored, small, lamellate, waxy scalelike trichomes. Branches glabrous. Petiole 1-2 cm; leaf blade oblong, lanceolate, or rarely ovate, 7-15 × 2-5 cm, abaxially covered with a thick and mealy layer of scalelike trichomes, reddish brown to yellowish brown when young, but tawny with age, base rounded to broadly cuneate and sometimes inaequilateral, margin entire or sometimes with few shallow teeth from middle to apex, apex acute to acuminate; midvein at least from middle to apex adaxially impressed; secondary veins 11-15 on each side of midvein. Female inflorescences solitary, glabrous, to 30 cm; cupules scattered on rachis. Infructescence rachis 1.5-3 mm thick. Cupule globose to broadly ovoid, 2.5-3 cm in diam., splitting irregularly, outside and bracts whitish gray to brownish puberulent or with reddish brown waxy scalelike trichomes and sparse pubescence, wall ca. 1 mm thick; bracts spinelike, 8-10 mm, connate and in bundles basally or rarely from base to middle. Nut 1 per cupule, conical and 1-1.5 × 0.8-1.2 cm to subglobose and 0.8-1.4 cm in diam., glabrous; scar basal, 8-10 mm in diam. Fl. Apr-Jun and Aug-Oct, fr. Apr-Oct of following year.

* Broad-leaved evergreen forests; 200-2100 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangsu, Jiangxi, Sichuan, Taiwan, Yunnan, Zhejiang


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