สำนักราชบัณฑิตยสภา

The Journal of the Royal Institute of Thailand Volume II - 2010 Chayan Picheansoonthon, Suppachai Tiyaworanant 93 Small perennial herb. Leafy shoots with 2-4 sheaths at base; leaf sheaths hairy, 2.5-12 by 1.6-2.4 cm, green, pubescent with white margin, upper with longitudinal green or white line. Leaves petiolate, 3.5-13.5 by 0.6-1.6 cm, some winged; lamina narrowly ovate-elliptic, tapering towards the petiole; upper surface green, hairy, lower surface pale green, pubescent, 7.5-33.5 by 4-12.5 cm. Flowering shoots 17-42 cm; peduncle and rachis pubescent. Flowers 6-36, greenish, ebracteate; calyx tubular, 0.9-1.8 cm long, apex 3-lobed, the apeces acute or obtuse, green; corolla tubes 1.4-2.2 cm long; dorsal corolla lobe ovate-oblong, 6-9 by 2-5 mm, greenish, recurved; lateral corolla lobe ovate-oblong, 5.6-7.2 by 2-4 mm, greenish, recurved; lateral staminode broadly obovate to suborbicular, 6-9 by 3-5 mm, greenish; labellum pale green, 3-lobed, median lobe whitish, formed a club-shape elongated appendage, 2-3 by c . 0.5 mm, lateral lobes broadly obovate to suborbicular, 2.5-4 by 2-3 mm, with 2 elongated appendage, 1-1.5 by c . 0.5 mm; filament 7-8 mm long; anther 4-4.5 by c . 1.5 mm, thecae diverging towards apex, opening by longitudinal slits; ovary ellipsoid, c . 4 mm long, sessile, tomentose; stylodial glands 2, filiform, c . 4 mm long. Fruits capsular, oblong-ovoid, 1.9-3.4 by 1.2-2.5 cm, hairy, crowned with persistent calyces. Seeds globose to subglobose, c . 3 mm diam, yellowish to light brownish, hairy, aril white. Thailand.– CENTRAL [Namtok Samlun NP, Changwat Saraburi], SOUTH-EASTERN [Khao Khiew, Changwat Chonburi]; NORTH-EASTERN [Phu Sa Dok Bua NP, Changwat Mukdahan]; EASTERN [Pha Taem NP, Changwat Ubon Ratchathani] Distribution.– LAOS [Phu Luang, the Bolaven Plateau, Attapeu and Champasak Provinces]; CAMBODIA [Boeng Yeak Lom and Virachay NP, Ratanakiri Province] Ecology.–Deciduous dipterocarp forest and bamboo forest, at the altitude of 30–700 m. Vernacular name.–Toobmoob Khao Khwai ( ตูบหมูบเขาควาย ), Wan Krahang Khiew ( ว่านกระหังเขียว ), Wan Morakot ( ว่านมรกต ), Pee Suea Khiew ( ผีเสื้อเขียว ) Use.–Medicinal 2. Gagnepainia thoreliana (Baill.) K. Schum. in Engl. Pflanzenrch. Heft 20:130. 1904.– Hemiorchis thoreliana Baill. in Bull. Soc. Linn. Paris I:1196. 1890. Figures 3, 4 and 5A. Small perennial herb. Leafy shoots with 3-5 sheaths at base; leaf sheaths hairy, 2.2-13.6 by 1.4-2.4 cm, green pubescent with white margin, upper with longitudinal green or white line; ligule 2-3 mm long, pubescent, apex bilobed.