A synoptic account of the Fagaceae of Thailand

A SYNOPTIC ACCOUNT OF THE FAGACEAE OF THAILAND (C. PHENGKLAI) 137
Vernacular.— Ko mong kut (°àÕ¡ß°ÿÆ) (Northern); ko bai ri (°àÕ„∫√’), ko laem (°àÕ
·À≈¡) (Northeastern).
4. Quercus auricoma A.Camus, Chênes, Atlas. 2: 122. 1935. Fig. 41.
Thailand.— NORTHERN: Chiang Mai, Chiang Rai, Tak; NORTHEASTERN: Phetchabun,
Loei; EASTERN: Chaiyaphum.
Distribution.— Vietnam (type).
Ecology.— Lower montane forest, oak-pine forest and pine-deciduous dipterocarp
forest on limestone hills, often by streams, alt. 800–2500 m (usually 800–1200 m. Flowering
Jan.–Dec. (usually Jan.–May), fruiting Jan.–Dec. (usually June–Sept.).
Vernacular.— Ko daeng (°àÕ·¥ß) (Northern); ko muak (°àÕÀ¡«°) (Northeastern).
5. Quercus austro-cochinchinensis Hickel & A.Camus, Ann. Sci. Nat., Bot., X, 3: 386. 1921;
Hickel & A.Camus in H.Lecomte, Fl. Indo-Chine 5: 959. 1930; Barnett, Quer. Ral. Fag. Asia:
266. 1940.— Cyclobalanopsis austrocochinchinensis (Hickel & A.Camus) Hjelmq., Dansk.
Bot. Ark., 23: 503. 1968; C.C.Huang, Y.T.Chang & B.M.Bartol. in C.Y.Wu & P.H.Raven, Fl.
China 4: 397. 1999.
Thailand.— SOUTHEASTERN: Chanthaburi; PENINSULAR: Phangnga.
Distribution.— Laos, Vietnam (type).
Ecology.— On slopes of stream valleys in tropical evergreen forest and lower
montane forest, alt. 600–1400 m. Flowering Jan., fruiting Feb.–Dec. (usually Feb.–March).
Vernacular.— Ko aep (°àÕ·Õ∫) (Southeastern).
6. Quercus brandisiana Kurz, J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 42(2): 108. 1873; Kurz,
Forest Fl. Burm. 2: 488. 1877; King ex Hook.f., Fl. Brit. India 5: 604. 1888; Barnett, Quer. Rel.
Fag. Asia: 48. 1940; Barnett, Trans. & Proc. Bot. Soc. Edinburgh 34: 331. 1944.—
Cyclobalanopsis brandisiana (Kurz) Schottky, Bot. Jahrb. Syst. 47: 657. 1912; Hjelm.,
Dansk Bot. Ark., 23: 507. 1968.
Thailand.— NORTHERN: Mae Hong Son, Chiang Mai, Chiang Rai, Lampang;
NORTHEASTERN: Loei; EASTERN: Chaiyaphum.
Distribution.— Myanma (type).
Ecology.— Pine-oak forest, mixed deciduous forest, pine-deciduous dipterocarp
forest, deciduous dipterocarp forest and lower montane forest, on limestone and granite
bedrock, alt. 850–1500 m (usually 850–1000 m). Flowering March–Dec., fruiting Feb.–Dec.
(usually April–May).
Vernacular.— Ko ta khwai (°àÕµ“§«“¬), ko si siat (°àÕ ’‡ ’¬¥), ko daeng (°àÕ·¥ß), ko nun
(°àÕÀπÿπ) (Northern).
Uses.— Bark chewed locally with betel nut.