| Quercus delavayi | |
| Author | Franch. 1899 J. Bot. (Morot) 13: 158 |
| Synonyms | Cyclobalanopsis delavayi (Franchet)
Schottky 1912 gilva Skan not Bl. |
| Local names | huang
mao qing gang ; |
| Range | China (Yunnan, Sichuan, Guizhou, Guangxi, Hubei) ; 1000 - 3000 m ; |
| Growth habit | 10-30 m tall; |
| Leaves | 8-10 x 3-4.5
cm; oval lanceolate, shortly acuminate at apex, base cuneate or
almost rounded; leathery, thick; margin rarely sinuate, dentate on apical
1/2; glabrous above, densely whitish tomentose beneath with stellate hairs;
midrib impressed above, prominent below; 10-14 vein pairs raised beneath;
petiole 1-2.5 cm, densely tomentose; |
| Flowers | April to May;
female inflorescences axillary, singly, densely tomentose, 4 cm long,
with 2-3 fruits; styles connate only at their base; |
| Fruits | acorn globose to ovoid, 1.4 cm in diameter; pointed; glabrescent; enclosed 1/2 by cup; cup rather thin, 1.6 cm in diameter, scales in 6-7 concentric rings with margin denticulate; maturing in 2 years; |
|
Bark, twigs and |
bark
grey brown; young shoots pale brown tomentose; |
| Hardiness zone, habitat | in
mixed forests, with Pinus; |
| Miscellaneous |
-- A. Camus : n° 36;
|
| Subspecies and varieties |
|
| Pictures |
|
