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

33. Quercus engleriana Seemen, Bot. Jahrb. Syst. 23 (Beibl. 57): 47. 1897.

巴东栎 ba dong li

Myrica cavaleriei H. Léveillé; Quercus dolichostyla A. Camus; Q. kongshanensis Y. C. Hsu & H. W. Jen; Q. lanceolata S. Z. Qu & W. H. Zhang (1984), not Humboldt & Bonpland (1809); Q. lyoniifolia W. C. Cheng; Q. obscura Seemen; Q. shangxiensis Z. K. Zhou; Q. sutchuenensis Franchet.

Trees to 25 m tall, evergreen. Young branchlets yellowish gray tomentose, glabrescent. Petiole 1-2 cm, tomentose, glabrescent; leaf blade lanceolate, ovate, ovate-elliptic, or elliptic, 6-16 × 2.5-5.5 cm, densely yellowish brown pubescent but glabrescent or abaxially retaining fascicled hairs on axil of veins, adaxially flat to rugose, base rounded, broadly cuneate, or rarely shallowly cordate, margin serrate from middle to apex or sometimes entire, apex acuminate; midvein and secondary veins adaxially flat or sometimes impressed; secondary veins 10-13 on each side of midvein; tertiary veins abaxially slender, evident to prominent or obscured by indumentum when young. Female inflorescences axillary on apical portion of young shoots, 1-3 cm. Infructescence 1-5 cm; cupules 1-10. Cupule bowl-shaped, 4-7 × 8-12 mm, enclosing 1/3-1/2 of nut; bracts ovate-lanceolate, ca. 1 mm, grayish brown pubescent basal to middle, apex purple red and glabrous. Nut narrowly ovoid, 1-2 × 0.6-1 cm, glabrous; scar 3-5 mm in diam., raised; stylopodium 2-3 mm. Fl. May-Jun, fr. Nov.

* Mixed mesophytic forests; 700-2700 m. Fujian, Guangdong, Guangxi, Guizhou, Henan, Hubei, Hunan, Jiangxi, Shaanxi, Sichuan, Xizang, Yunnan, Zhejiang


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