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Quercus pachyloma | |
Author | Seemen 1897 Bot. Jahrb. Syst. 23(57): 54 |
Synonyms | Cyclobalanopsis
pachyloma (Seemen) Schottky 1912 Cyclobalanopsis pachyloma var. tomentosicupula (Hayata) Liao 1976 tomentosicupula Hayata 1913 conduplicans Chun 1947 (J. Arnold Arbor. 28: 239 1947) gracilenta Chun 1947 (J. Arnold Arbor. 28: 240) picta Hand.-Mazz. 1922 |
Local names | mao
guo qing gang ; |
Range | China (Yunnan, Jiangxi, Hunan, Guangxi, Fujian, Guizhou, Guangdong); Taiwan; 200 - 1000 m; |
Growth habit | 12-17 m tall;
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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;
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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; |
Bark, twigs and |
bark
grey, smooth; twigs at first orangish tomentose, becoming hairless; |
Hardiness zone, habitat | not
hardy; in valleys and slopes of wet forests mountains; |
Miscellaneous | --
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) |
Subspecies and varieties |
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Pictures |
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