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The Journal of the Royal Institute of Thailand Volume II - 2010 Chayan Picheansoonthon, Suppachai Tiyaworanant 95 Leaves petiolate, 4.7-10.3 by 0.8-1.1 cm, some winged; lamina elliptic to obovate, 22.7-36.0 by 6.5-8.9 cm, base tapering towards the petiole, apex acuminate, margin entire to slightly undulate, upper surface hairy, lower surface glabrous. Flowering shoots 29.6-40.2 cm long, peduncle and rachis pubescent. Flowers up to 50, ebracteate; calyx tubular, 1.3-1.5 cm long, 3-lobed, lobes acute to obtuse, white; corolla tube 1.8-2.1 cm long; dorsal corolla lobe ovate-oblong, whitish, 1.1-1.3 cm Figure 2 Gagnepainia godefroyi (Baill.) K. Schum. A. A flowering shoot, showing roots, rhizome, leaf sheaths, and an inflorescence. B. An inflorescence. C: Close-up of flowers. D. Infructescences. E. Seeds. F. Lower leaf surface. Photographed by Chayan Picheansoonthon. A B C D E F