裂唇鸢尾兰（横断山区维管植物）
Oberonia pyrulifera Lindl., Fol. Orch. Oberonia 3. 1859; Hook. f., Fl. Brit. Ind. 5: 678. 1888; King et Pantl. in Ann. Bot. Gard. Calcutta 8: 14. Pl. 16. 1898; Seidenf. in Dansk Bot. Ark. 25 (3): 38. fig. 20. 1968, et 33 (1): 23. fig. 13. 1978; 横断山区维管植物2: 2564. 1994.
Epiphytic on trees in forests; 1700-2800 m. W to SE Yunnan [Bhutan, India, Thailand].Type specimens from northeast India. |
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Stem short or sometimes to 3-4 cm. |
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Leaves subbasal or cauline, 3 or 4(or 5), laterally compressed, usually slightly falcate, 2.5-6(-8) × 0.3-0.7 cm, thick, veins obscure, base articulate, margin often crisped when dried, apex acuminate. |
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Peduncle subterete, 3-11 cm, wingless; sterile bracts many, narrowly lanceolate or nearly subulate, 2-2.5 mm; rachis 2-8 cm, many flowered; floral bracts lanceolate, 1.5-2 mm, margin ± irregularly erose, apex acuminate. Flowers yellow; pedicel and ovary ca. 2 mm. Dorsal sepal ovate-oblong, 0.8-1 × 0.5-0.6 mm, apex obtuse; lateral sepals broadly ovate, 0.8-1 × 0.6-0.7 mm. Petals suboblong, 0.8-1 × 0.3-0.4 mm; lip obovate or obovate-oblong in outline, 1.3-1.8 × ca. 1 mm, deeply 2-lobed, base with obtuse or inconspicuous auricles on either side; lobules broadly lanceolate, ca. 0.6 × 0.3 mm, apex obtuse. Column short, stout. Capsule obovoid-oblong, 2.5-3 × 1-1.5 mm; fruiting pedicel 1-1.5 mm. Fl. and fr. Sep-Nov. |
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