剑叶鸢尾兰（植物分类学报）
Oberonia ensiformis (J. E. Smith) Lindl., Fol. Orch. Oberonia 4. 1859; Hook. f., Fl. Brit. Ind. 5: 679. 1888; King et Pantl. in Ann. Bot. Gard. Calcutta 8: 8. Pl. 9. 1898; Seidenf. in Dansk Bot. Ark. 25 (3): 53. fig. 32. 1968, et 33 (1): 13. fig. 6. 1978: Averyanov, Iden. Guide Vietnam. Orch. 160. 1994; Z. H. Tsi et S. C. Chen in Acta Phytotax. Sin. 33 (3): 294. 1995. ——Malaxis ensiformis J. E. Smith in Rees, Cyclop. 22. No. 14. 1812. ——Iridorchis ensiformis (J. E. Smith) Kuntze, Rev. Gen. Pl. 2: 669. 1891.
Epiphytic on trees in forests; 700-1600 m. N Guangxi, S and W Yunnan [India, Laos, Myanmar, Nepal, Thailand, Vietnam]. |
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Plants rather large, with a short stem. |
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Leaves subbasal, 5 or 6, distichous-equitant, laterally compressed, ensiform, slightly falcate, 15-50 × 1.2-2.2 cm, thick, veins obscure, base articulate, apex acuminate or long acuminate. |
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Peduncle subterete, 17-35 cm, wingless, with several sterile bracts and sometimes a large, foliaceous bract; rachis stout; raceme 10-25 cm or longer, 5-6 mm in diam., many flowered; floral bracts suberect, suboblong, 2-3 mm, irregularly denticulate on apical margin, apex long acuminate. Flowers green; pedicel and ovary 1-2 mm. Dorsal sepal broadly oblong-ovate, 1.2-1.5 × 0.8-1 mm, apex obtuse; lateral sepals broadly ovate, similar to dorsal sepal in size. Petals ovate-lanceolate, 1.2-1.5 × 0.6-0.7 mm, margin ± erose, apex acuminate; lip broadly ovate-oblong in outline, 1.8-2.2 mm, 3-lobed; lateral lobes ± subquadrate or suborbicular, margin erose; mid-lobe broadly obovate or suboblate, to 1.2 mm wide, bilobed, margin slightly erose; disk with 2 calli, lateral at base of lateral lobes. Column short, stout. |
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Capsule obovoid-ellipsoid, 4-5.5 × ca. 2.5 mm, ridged; fruiting pedicel ca. 0.5 mm. Fl. Sep-Nov, fr. next Mar.
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