Species

Quercus pachyloma Seemen

LC

Synonyms (4)

conduplicans gracilenta picta tomentosicupula
Data from Oaks of the World

Geographic Range

China (Yunnan, Jiangxi, Hunan, Guangxi, Fujian, Guizhou, Guangdong); Taiwan; 200 - 1000 m;

Growth Habit

12-17 m tall;

Leaves

8-10 x 2-4 cm; oboval, oblong-elliptic  or lanceolate; leathery; apex acuminate in apical 1/3, base cuneate; margin toothed in apical half; hairless above; hairy or glabrescent beneath; young leaves densely orangish tomentose; 8-11 vein pairs; tertiary veins evident below; petiole 1.5-2 cm long;

Flowers

March; pistillate inflorescences tomentose, 1.5-3 cm long, bearing 2-5 cupules;

Fruits

acorn 2.5 cm long, 1.4 cm wide, oblong; 2 to 5 together; apex rounded, densely hairy at first; enclosed 1/3 to 2/3 by cup; cup half-round or campanulate, 1.5 mm thick, with 7-8 tomentose, sometimes denticulate, concentric rings; large, persistent stylopodium; maturing in 1 year;

Common Names

mao guo qing gang

Hardiness & Habitat

not hardy; in valleys and slopes of wet forests mountains;

Additional Information

– A. Camus : tome 1, p. 233, n° 24; – Sub-genus Cerris, Section Cyclobalanopsis; – Section Semiserrata, sub-section Semiserratae ( Menitsky ); – For Govaerts, 2007, Q. gracilenta and Q. conduplicans are true species, in China (Guangdong)

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