148 THAI FOREST BULLETIN (BOTANY) 34 Distribution.— Myanma, Vietnam, Malaysia, Indonesia (type). Ecology.— Tropical evergreen forest, lower montane forest, frequent on ridges <strong>of</strong> granite bedrock, alt. 800–1700 m (usually 1200–1400 m). Flowering Dec., fruiting March– Dec. Vernacular.— Ko muak (°àÕÀ¡«°) (Peninsular). 20. Quercus oxyodon Miq., Ann. Mus. Bot. Lugduno-Batavi 1: 114. 1864; A.DC. in A.P.de Candolle, Prodr. 16(2): 98. 1864; Barnett, Quer. Rel. Fag. Asia.: 255. 1940.— Cyclobalanopsis oxyodon (Miq.) Oerst., Vidensk. Meddel. Dansk Naturhist. Foren. Kjøbenhavn 1866: 79. 1866; C.C.Huang, Y.T.Chang & B.M.Bartol. in C.Y.Wu & P.H.Raven, Fl. China 4: 391. 1999.— Quercus lineata Blume var. oxyodon (Miq.) Wenz., Jahrb. Königl. Bot. Gart. Berlin 4: 232. 1886; King ex Hook.f., Brit. India 5: 605. 1888; King, Ann. Roy. Bot. Gard. (Calcutta): 33, t. 26. 1889.— Q. lineata Blume var. grandifolia Skan, J. Linn. Soc., Bot. 26: 517. 1889. Fig. 46. <strong>Thailand</strong>.— NORTHERN: Chiang Mai; NORTHEASTERN: Phetchabun; EASTERN: Nakhon Ratchasima; PENINSULAR: Ranong. Distribution.— India (type), Nepal, Bhutan, Myanma, China. Ecology.— Lower montane forest and evergreen forest on ridges, alt. 1800–2000 m. Flowering and fruiting March–Dec. Vernacular.— Ko luem (°àÕ‡≈◊ËÕ¡) (Nor<strong>the</strong>rn). 21. Quercus poilanei Hickel & A.Camus, Ann. Sci. Nat., Bot., X, 3: 384. 1921; Hickel & A.Camus in H.Lecomte, Fl. Indo-Chine 5: 961. 1930; Barnett, Quer. Rel. Fag. Asia: 273. 1940; Barnett, Trans. & Proc. Bot. Soc. Edinburgh 34: 169. 1944.— Cyclobalanopsis poilanei (Hickel & A.Camus) Hjelmq., Dansk. Bot. Ark. 23: 503. 1968. Fig. 47. <strong>Thailand</strong>.— NORTHERN: Mae Hong Son, Chiang Mai. Distribution.— Vietnam (type). Ecology.— Oak-pine forest and dry upper mixed deciduous forest, frequent on ridges <strong>of</strong> granite bedrock, alt. 600–1400 m (usually 600–900 m). Flowering Feb.–April, fruiting Jan.–Dec. (usually Jan.–March). Vernacular.— Ko si siat (°àÕ ’‡ ’¬¥) (Nor<strong>the</strong>rn). Uses.— Bark chewed locally with betel nut. 22. Quercus quangtriensis Hickel & A.Camus, Bull. Mus. Natl. Hist. Nat. 32: 400. 1926; Hickel & A.Camus in H.Lecomte, Fl. Indo-Chine 5: 949. 1930; Barnett, Quer. Rel. Fag. Asia: 247. 1940.— Q. longistyla Barnett, Bull. Misc. Inform. Kew 1938: 100. 1938; Barnett, Quer. Rel. Fag. Asia: 75. 1940; Barnett, Trans. & Proc. Bot. Soc. Edinburgh 34: 332. 1944.— Q. wangsaiensis Barnett, Bull. Misc. Inform. Kew. 1938: 99. 1938; Barnett, Quer. Rel. Fag. Asia: 68. 1940; Barnett, Trans. & Proc. Bot. Soc. Edinburgh 34: 331. 1944. <strong>Thailand</strong>.— NORTHERN: Chiang Mai, Tak; NORTHEASTERN: Phetchabun, Loei,
A SYNOPTIC ACCOUNT OF THE FAGACEAE OF THAILAND (C. PHENGKLAI) 149 Figure 46. Quercus oxyodon Miq.: A. twig with leaves and infructescence (Smitinand 90-28); B. male inflorescences (Frh. H. 11133), B-1 male flower; C. female flower (Frh. H. 11133), C-1 female flower.