| Quercus longistyla | |
| Author | Barnett 1938 Bull. Misc. Inform. Kew 1938: 100 |
| Synonyms | semiserrata
Craib 1911, not Roxb. |
| Local names | |
| Range | North Thailand;
600 to 1300 m; |
| Growth habit | more than 20
m tall; trunk to 0.5 m in diameter; |
| Leaves | 8-16 cm x 2-5;
oblong or lanceolate; leathery; apex pointed, base cuneate or remotely
rounded; entire (rarely crenate near apical 1/3); young leaves villous;
adult glabrous on both sides or pubescent along midrib beneath; 9-13 veins
pairs; petiole 1-2 cm long; |
| Flowers | 4 - 6 styles
to 3 mm long; |
| Fruits | acorn 3 cm high, 2 cm wide; very deep cupule with rim undulate, 6-8 densely yelllowish pubescent; |
|
Bark, twigs and |
bark
greyish brown fissured into square plates; twigs yellowish brown pubescent;
|
| Hardiness zone, habitat | not hardy; tropical forests; |
| Miscellaneous | -- Sub-genus Cerris, Section
Cyclobalanopsis; -- Section Semiserrata, sub-section Semiserratae (Menitsky). -- For The Plant List 2013 it is a synonym of Q. quangtriensis |
| Subspecies and varieties |
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| Pictures |  |