广布芋兰 guang bu yu lan

Aplostellis flabelliformis (Lindley) Ridley; Epipactis carinata Roxburgh; Nervilia carinata (Roxburgh) Schlechter; N. flabelliformis (Lindley) Tang & F. T. Wang; N. scottii (H. G. Reichenbach) Schlechter; N. tibetensis Rolfe; N. yaeyamensis Hayata; Pogonia carinata (Roxburgh) Lindley; P. flabelliformis Lindley; P. gracilis Blume; P. nervilia Blume; P. scottii H. G. Reichenbach.

Tuber whitish, subglobose to ovoid, 10-17 mm in diam., 3-5-noded. Leaf green on both surfaces, broadly cordate-ovate, 9-15 × 10-18 cm, glabrous, many veined, base deeply cordate, margin undulate, apex acute or rounded; petiole erect, 2.5-11 cm, green, with 1 or 2 short tubular sheaths near base or ebracteate. Inflorescence 15-45 cm, 4-15-flowered; peduncle green or purple, with 3-5 tubular sheaths; floral bracts reflexed, linear-lanceolate, 10-16 × 1-1.5 mm, exceeding ovary. Flowers nodding, resupinate, usually opening widely, emitting an unpleasant odor; pedicel and ovary 7-13 mm, ridged. Sepals yellowish green, linear-oblong, 15-22 × 2.5-3 mm, apex acuminate or acute. Petals yellowish green, linear-lanceolate, 12-20 × 2-2.5 mm, apex acute; lip pale green, white, pinkish white, or pale green with purplish brown venation, variable in shape, ovate-oblong, obovate, or rhombic, 12-17 × 5-8 mm, base cuneate, spurless, 3-lobed above middle; lateral lobes erect and loosely embracing column, triangular, 2-4 × 2-4 mm, apices acute; mid-lobe ovate-elliptic, ovate-triangular, or subobovate-square, 3-5 × 3-5 mm, apical margin undulate, apex obtuse or acute; disk villous primarily on veins. Column white, 6-10 mm, apex dilated; stigma suborbicular. Fl. May-Jun. 2n = 72.

Forests, shaded and damp places along valleys; 400-2300 m. Hubei, Sichuan, C and S Taiwan, S and SE Xizang, S and W Yunnan [Bangladesh, Bhutan, India, Indonesia, Japan (Ryukyu Islands), Laos, Malaysia, Myanmar, Nepal, New Guinea, Philippines, Thailand, Vietnam; Australia, Pacific islands].