A synoptic account of the Fagaceae of Thailand
A synoptic account of the Fagaceae of Thailand
A synoptic account of the Fagaceae of Thailand
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A SYNOPTIC ACCOUNT OF THE FAGACEAE OF THAILAND (C. PHENGKLAI) 133<br />
17. Leaves weakly obovate, minutely serrate on apical 1/3, secondary nerves up to 9 pairs<br />
4. Q. auricoma<br />
17. Leaves lanceolate, strongly serrate on apical 2/3, secondary nerves not less than 14<br />
pairs 15. Q. lineatus<br />
8. Cupules saucer-shaped or obconic<br />
18. Nuts conical, dome-shaped or mammilliform<br />
19. Cupules obconic<br />
20. Nut conical. Leaves obovate or oblong-lanceolate<br />
21. Leaves obovate or ovate. Acorns sessile 6. Q. brandisianus<br />
21. Leaves oblong-lanceolate. Acorns stalked 25. Q. saravannensis<br />
20. Nuts mammilliform. Leaves lanceolate 17. Q. mysinaefolius<br />
19. Cupules saucer-shaped<br />
22. Leaves obovate, densely yellow tomentose on lower surface. Stigmata capitate<br />
21. Q. poilanei<br />
22. Leaves oblong, ovate-oblong, pubescent <strong>the</strong>n glabrous on both surfaces. Stigmata<br />
dilate 20. Q. oxyodon<br />
18. Nuts hemisphaeric, flattened or subflattened<br />
23. Nut apices weakly cone-like. Cupules saucer-shaped<br />
24. Nuts up to 2.1 cm broad. Styles 3, stigmata capitate 14. Q. lenticellatus<br />
24. Nuts not less than 2.5 cm broad. Styles (3–)4–6, stigmata capitate<br />
25. Apex <strong>of</strong> rings or lamellae pointing upward, adnate or fused to <strong>the</strong> cupule surface.<br />
Leaves oblong, base obtuse 29. Q. vestitus<br />
25. Apex <strong>of</strong> rings or lamellae reflexed, not adnate or fused to cupule surface. Leaves<br />
obovate, base cuneate 24. Q. rex<br />
23. Nut apices flattened to retuse<br />
26. Cupules enclosing <strong>the</strong> nuts to <strong>the</strong>ir apices<br />
27. Cupules obconical-shaped, laments set in fine ringed or lamellae 10. Q. kerrii<br />
27. Cupules saucer-shaped, lamentas set in irregular rings or lamellae, especially on<br />
<strong>the</strong> lateral part 12. Q. lamellosa<br />
26. Cupules enclosing <strong>the</strong> nuts for up to 1/2 <strong>the</strong>ir length<br />
28. Cupules enclosing <strong>the</strong> nuts for up to one-fifth <strong>of</strong> <strong>the</strong>ir length or at <strong>the</strong> base only.<br />
Leaves velutinous on lower surface 9. Q. helferianus<br />
28. Cupules enclosing <strong>the</strong> nuts for 1/3 to 1/2 <strong>of</strong> <strong>the</strong>ir length. Leaves glabrescent or<br />
densely pubescent on lower surface 16. Q. mespilifolius<br />
1. Quercus acutissima Carruth., J. Linn. Soc., Bot. 6: 33. 1862; C.C.Huang, Y.T.Chang &<br />
B.M.Bartol. in C.Y.Wu & P.H.Raven, Fl. China 4: 372. 1999.— Q. serrata Barnett (non Thunb.),<br />
Quer. Rel. Fag. Asia: 28. 1940; Barnett, Trans.& Proc. Bot. Soc. Edinburgh 34: 366. 1944.<br />
<strong>Thailand</strong>.— NORTHERN: Chiang Mai. NORTHEASTERN: Phetchabun, Loei. EASTERN:<br />
Chaiyaphum.<br />
Distribution.— India, Nepal (type), Myanma, Vietnam, Laos, China, Korea, Japan,<br />
U.S.A.<br />
Ecology.— Lower montane forest, oak-pine forest and oak-savannah forest, on<br />
sandstone bedrock, alt. 650–1300 m. (usually 1000–1300 m). Flowering Jan.–March,<br />
fruiting March–Nov.<br />
Vernacular.— Ko khi kwang (°àÕ¢’ È°«“ß), ko daeng (°àÕ·¥ß), ko ub khao (°àÕÕÿ∫¢â“«)<br />
(Nor<strong>the</strong>astern).<br />
2. Quercus aliena Blume, Mus. Bot. 1.: 298. 1851; A.DC. in A.P.de Candolle, Prodr. 16(2): 14.<br />
Dec. (usually April–May).
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