广布芋兰（横断山区维管植物）芋兰（西藏植物志），西藏芋兰（中国高等植物图鉴），脉叶兰（台湾兰科植物），一点广（台湾兰科植物彩色图鉴），东亚脉叶兰（台湾植物志）
Nervilia aragoana Gaud. in Freyc. Voy. Bot. 422, t. 35. 1829; Schltr. in Fedde Repert. Sp. Nov. Beih. 4: 154. 1919;台湾兰科植物彩色图鉴1: 483. 1977, et 2 273, 605. pl. 31. 1990;台湾植物志5: 1067.图1626. 1978;台湾兰科植物3: 171-173 (图). 1987; 西藏植物志5: 670.图349. 1987; 横断山区维管植物2:2557. 1994. ——Pogonia nervilia Bl., Mus. Bot. Lugd. Bat. 1: 32. 1849. ——Nervilia yaeyamensis Hayata, Icon. Pl. Formos. 2: 140. 1912. ——Nervilia tibetensis Rolfe in Not. Bot. Gard. Edinb. 8: 128. 1913; 中国高等植物图鉴5: 655.图8140. 1976.
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]. |
|
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. |
|
| |
|
