Vasilis Teodoridis:
Fagaceae | Cyclobalanopsis
36. Cyclobalanopsis blakei (Skan) Schottky; Bot. Jahrb. Syst. 47: 649. 1912.
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Quercus blakei Skan; Hooker’s Icon. Pl. 27: t. 2662. 1901; Q. blakei var. parvifolia Merrill.
Trees to 35 m tall. Branchlets glabrous; 2nd-year branchlets densely lenticellate. Petiole slender; 1.5-3 cm; glabrous; leaf blade narrowly ovate-elliptic to obovate-oblanceolate; 7-19 x 1.5-2 cm; subleathery; reddish tomentose when young; soon glabrescent; base cuneate; margin apical 2/3 serrate; apex acuminate; midvein adaxially raised; secondary veins 8-14 on each side of midvein and abaxially raised; tertiary veins abaxially slender; evident. Female inflorescences 1-2 cm; cupules 1 or 2. Cupules saucer-shaped to shallowly bowl-shaped; 5-10 mm x 2-3 cm; covering base of nut; outside pale grayish brown tomentose; inside orangish brown sericeous; wall ca. 1 mm thick; bracts in 6 or 7 rings; margin entire or dentate. Nut ellipsoid to ovoid; 2.5-3.5 x 1.5-3 cm; scar 7-11 mm in diam.; flat to depressed; stylopodium persistent; umbonate; base loosely pale grayish brown villous; late glabrescent. Fl. Mar; fr. Oct-Dec.
Dense forests on mountain valleys; 100-2500 m. Guangdong; Guangxi; Guizhou; Hainan [Laos; Vietnam]
Specimens from China that have been determined as Cyclobalanopsis chrysocalyx (Hickel & A. Camus) Hjelmquist are referable to C. blakei.