สำนักราชบัณฑิตยสภา

The Journal of the Royal Institute of Thailand Volume III - 2011 145 Pornpimon Wongsuwan and Chayan Picheansoonthon 4-7 mm long; blade lanceolate-oblong, 13.8-37.5 by 4.2-8.8 cm, base cuneate or oblique, apex acute, margin slightly undulate, both surface glabrous, midrib pubescent. Inflorescence a terminal spike, erect, 10.4-21.3 cm long; peduncle 2.9-4.4 cm long; bracts lax, folded, greenish, oblong, 1-2.1 by 0.3-0.7 cm, apex acute, pubescent or glabrous, each subtending a cincinnus of 1 flower; bracteole oblong, 0.5-1.5 by 0.3-0.5 cm, apex acute, membranous, pubescence or glabrous, greenish. Flowers white, then yellow, fragrant; calyx tubular, 2-2.3 cm by 0.2-0.3 cm, apex acute to 3-dented; corolla tube slender, 2.3-5.1 by ca. 0.2 cm, 3-lobed, lobes linear, 4.5-4.8 by 0.2-0.4 cm apex hooded, yellowish; lateral staminodes narrowly oblanceolate, 3.25-3.8 by 0.2-0.4 cm, base attenuate into a 1.3-1.7 by ca. 0.1 cm claw, apex acute; labellum elliptic, 2.7-3 by 0.9-1.1 cm, base attenuate into a 0.7-1 cm by 2-2.5 mm claw, apex deeply divided, 0.8-1.5 cm; filament 3.2-5.8 cm long, salmon red; anther dorsifixed, 0.9-1.2 by ca. 0.2 cm, base divaricate, yellowish to pale salmon red; ovary pubescent, 2-3 by ca. 2 mm, 3-loculed, placentation axile; epigynous glands 2, slender, 2-3 by ca. 1 mm yellowish; stigma densely ciliate, green. Fruits subglobose, 1.2-1.7 by 1.25-1.5 cm, greenish, pubescent. Seeds numerous, oblong, 3.5-4 by 1.5-2 mm, aril reddish-orange. Thailand.›NORTHERN: Tak [Mae Sot]; SOUTH-EASTERN: Chanthaburi; Trat [Ko Chang]; PENNINSULAR: Krabi; Ranong [Khlong Naka]; Surat Thani; Trang [Namtok Praan]. Distribution.›Myanmar (Tavoy), Peninsular Malaysia Ecology.›Tropical evergreen rain forest, at the altitude of ca. 460 m. Phenology.›Flowering June-August, fruiting July-September. Vernacular name.›Khing Haeng ( ¢‘ ß·Àâ ß ) Note. ›This species can be recognized by its 1-flowered bracts and an elliptic labellum with deeply divided apex. Its flowers release a strong fragrance in early evening. It is often cultivated as an ornamental plant. 8. Hedychium khaomaenense Picheans. & Mokkamul, Folia malaysiana 6: 20-22, 26. plates 2, 7-10. 2005. [Type: Thailand: Nakhon Si Thammarat, Yong Waterfall National Park, Khaomaen, N 08 17.560, E 99 39.753, alt. 1,123 m, 23 July 2003; Picheansoonthon & Mokkamul 544 (holotype BKF, paratypes SING, PEK)] Terrestrial, perennial herb. Pseudostems upto 1.2 m high, bladeless sheaths 2-4. Ligules oblong, 3.1-4.7 by 1.5-2.2 cm, apex unequally bifid, lobes 126-149_mac9 4/26/12, 9:15 PM 145