สำนักราชบัณฑิตยสภา

265 Pornpimon WONGSUWAN and Chayan PICHEANSOONTHORN วารสารราชบัณฑิตยสถาน ปีที่ ๓๗ ฉบับที่ ๑ ม.ค.-มี.ค. ๒๕๕๕ Figure 11 Hedychium tomentosum Sirirugsa & K. Larsen A. a flowering top with a leaf and an inflorescence. B. Close-up flowers. C. Infructescence. Photographed by Pornpimon Wongsuwan. Thailand. _ NORTHERN: Chiang Mai [Doi Chiang Dao Wildlife Sanctuary]. Distribution. _ Endemic to Thailand. Ecology. _ Lower montane oak forest or upper montane scrub at the altitude of 1,500-2,084 m. Phenology. _ Flowering from June-July, fruiting from July-August. Vernacular name. _ Ta Hoen Chiang Dao ( ตาเหินเชียงดาว ). Note. _ This species can be easily recognized by its tomentose lower leaf surface, elliptic- lanceolate labella with deeply divided apices, entire to slightly undulate margin and white-yellowish flowers. 21. Hedychium villosum Wall. in Roxb., Fl. Ind. 1: 12. 1820; Monandr. Pl. 6: 54. 1828; Wall. in Kew J. Bot. 5 : 329. 1853; Horan., Monogr.: 25. 1862; Baker in Hook.f., Fl. Br. Ind. 6: 228. 1894; K. Schum. in Engl., Pflanzenr. 4(46): 51. 1904; Gagnep. in Lecomte, Fl. Gén. I.-C. 6: 74. 1908; T.L. Wu & K. Larsen in Z.L. Wu & PH. Raven, Fl. China 24: 375. 2000. Terrestrial, epilithic or epiphytic, perennial herb. Pseudostems 24.1-143 cm high, leaf sheaths red, bladeless sheaths 3-5. Ligule oblong, 3.3-8.3 by 1.1-1.8 cm, apex acute, membranous, villous to pubescent, reddish. Leaves sessile or shortly petiolate, 4-7 mm long; blade lanceolate- oblong, 13.8-37.5 by 4.2-8.8 cm, base cuneate-oblique, apex acute, margin entire to slightly