长序翻唇兰 chang xu fan chun lan

Goodyera elongata Lindley, Gen. Sp. Orchid. Pl. 494. 1840; Hetaeria elongata (Lindley) J. D. Hooker (1890), not (Blume) Miquel (1859); Rhamphidia elongata (Lindley) Lindley.

Plants 30-35 cm tall. Stem 4- or 5-leaved. Leaves scattered along stem, oblong to narrowly elliptic, slightly to strongly unequal, 6-9 × 2.5-4 cm, base obtuse-rounded, apex acute; petiole-like base and sheath 1.5-3 cm. Inflorescence elongate, 15-22 cm, slender, pubescent; sterile bracts 2 or 3, pink, lanceolate, abaxially weakly pubescent; rachis 8-12 cm, subdensely many flowered; floral bracts pink, lanceolate, 8-9 mm, slightly shorter than ovary, abaxially weakly pubescent, apex acuminate. Flowers half opening, small; ovary subcylindric, not twisted, 10-11 mm including pedicel, densely pubescent. Sepals pink to whitish, outer surface weakly pubescent, 3-veined; dorsal sepal oblong to ovate-oblong, concave, 5-6 × 2.8-3 mm, apex obtuse; lateral sepals obliquely oblong to ovate-oblong, 5-6 × 2.8-3 mm, apex obtuse. Petals white, obliquely rhombic-obovate, 5-6 × ca. 2.5 mm, 2-veined, apex narrowed and apiculate; lip cymbiform, suboblong to oblong-lanceolate, 4-4.5 × 2-2.3 mm; hypochile saccate, 5-veined, lateral veins each with 1-3 papillose, hooked calli near base; epichile attenuate, ca. 1.8 mm, lateral margin involute, apex acuminate-apiculate. Column ca. 2 mm; wings subsquare to oblong flaps; rostellum arms ca. 1 mm. Fl. Sep-Oct.

Dense forests. SW Guangxi, Hainan [Sri Lanka, Thailand].