红花斑叶兰 hong hua ban ye lan

Neottia rubicunda Blume, Bijdr. 408. 1825; Epipactis grandis (Blume) A. A. Eaton; E. papuana (Ridley) A. A. Eaton; E. rubicunda (Blume) A. A. Eaton; Georchis rubicunda (Blume) H. G. Reichenbach; Goodyera clavata N. Pearce & P. J. Cribb; G. confundens J. J. Smith; G. grandis (Blume) Blume; G. longibracteata Hayata; G. longicolumna Hayata; G. papuana Ridley; G. rubens Blume; G. yaeyamae Ohwi; N. grandis Blume; Orchiodes grandis (Blume) Kuntze; O. rubicunda (Blume) Kuntze; Peramium longibracteatum (Hayata) Makino; P. longicolumna (Hayata) Makino; Rhamphidia rubicunda (Blume) F. Mueller (1869), not (H. G. Reichenbach) H. G. Reichenbach (1868); Spiranthes grandis (Blume) Hasskarl.

Plants terrestrial, 30-60 cm tall. Rhizome stout, several noded. Stem ascending or erect, 10-24 cm, 6-10-leaved. Leaves widely spaced along stem, green, without white markings, oblong, elliptic, or ovate-oblong, 9-15 × 4-6 cm, papery, with 3 distinct veins, base cuneate, apex acuminate; petiole-like base and tubular sheath 2-5.5 cm. Peduncle reddish brown, 10-18 cm, sparsely pubescent, with 3 or 4 sterile bracts; rachis 4-15 cm, densely many flowered; floral bracts reddish brown, lanceolate, 7-15 × 3.5-4.5 mm, pubescent, apex acuminate. Flowers opening widely, pale yellowish brown, medium-sized; pedicel and ovary reddish brown, cylindric-fusiform, 6-8 mm, pubescent. Sepals reddish brown, pubescent on outer surface, 1-veined; dorsal sepal linear-oblong, 7-8.5 × 2.3-2.5 mm, apex obtuse; lateral sepals spreading, oblong, oblique, 7-8.5 × 2.5-3 mm, apex obtuse. Petals yellowish white, spatulate, 7-8 × 1.8-2 mm, base attenuate, apex obtuse; lip yellowish white, cymbiform, 6-6.5 mm; hypochile saccate, inside papillose; epichile ligulate, ca. 1.5 mm, apex obtuse, strongly recurved. Column 4-4.5 mm, with a clavate callus below stigma; anther lanceolate, ca. 3 mm; rostellum ca. 1.5 mm, remnant deeply bifid. Fl. Jul-Aug. 2n = 22, 44.

Damp places in forests; 300-1500 m. Taiwan, Yunnan [NE India, Indonesia, Japan (Ryukyu Islands), Malaysia, Papua New Guinea, Philippines, Vietnam; NE Australia, Pacific islands].