短耳鸢尾兰（植物分类学报）
Oberonia falconeri Hook. f. in Hook. Icon. Pl. 18: t. 1780. 1888 (Oct.) , et Fl. Brit. Ind. 5: 678. 1888 (Dec.) ; Seidenf. in Dansk Bot. Ark. 25 (3): 35. fig. 17. 1968, et 33 (1): 22. fig. 12. 1978; Averyanov, Iden. Guide Vietnam. Orch. 161. 1994; Z. H. Tsi et S. C. Chen in Acta Phytotax. Sin. 33 (3): 294. 1995. ——Iridorchis falconers (Hook. f.) Kuntze, Rev. Gen. Pl. 2: 669. 1891. ——Oberonia siamensis Schltr. in Fedde Repert. Sp. Nov. 2: 84. 1906.
Epiphytic on tree trunks in forests or thickets; 700-2500 m. S and SW Yunnan [India, Laos, Malaysia (Peninsular), Nepal, Thailand, Vietnam]. |
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Stem short or somewhat inconspicuous. Leaves subbasal, 3-6, distichous-equitant, laterally compressed, ensiform, usually slightly falcate, 1.5-8(-11) × 0.7-1 cm, thick, veins inconspicuous, base articulate, apex acuminate. |
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Peduncle subterete, 6-18 cm, wingless, lower part with many linear-lanceolate sterile bracts 3-4 mm; rachis 6.5-13 cm, many flowered; floral bracts lanceolate to oblong-lanceolate, thinly membranous, apex aristate, awn ca. 3 mm, apical margin ± erose. Flowers ± whorled, white or green to greenish yellow; pedicel and ovary 1-1.5 mm. Dorsal sepal ovate or oblong-ovate, ca. 1 × 0.7 mm, apex obtuse or acute; lateral sepals similar to dorsal sepal, ca. 1 × 0.6 mm. Petals suboblong, ca. 1 × 0.3-0.4 mm, margin inconspicuously crisped or slightly obtusely incised, apex obtuse; lip oblong in outline, 1-1.2 × ca. 0.7 mm, base with short auricles on either side, apex bilobed and sinus apiculate; lobules suboblong, 0.1-0.2 mm. Column short, stout. Capsule obovoid-ellipsoid, 2-2.5 × ca. 1.5 mm, ± obtusely 3-ridged; fruiting pedicel 0.7-1 mm. Fl. and fr. Aug-Oct. 2n = 30. |
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