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FOC | Family List | FOC Vol. 25 | Orchidaceae | Oberonia

28. Oberonia austroyunnanensis S. C. Chen & Z. H. Tsi, Acta Phytotax. Sin. 20: 193. 1982.

滇南鸢尾兰 dian nan yuan wei lan

Stem conspicuous, 2-3 cm. Leaves 2-4, distichous, slightly equitant at base, laterally compressed, linear, 5-11 × 0.7-1.1 cm, thick, veins visible when dried, base articulate, attenuate toward apex. Peduncle subterete, 8-9 cm, longitudinally grooved, wingless, lower part with several sterile bracts and a greenish foliaceous bract; rachis 6.5-7.5 cm, 2-2.5 mm in diam., many flowered; floral bracts ovate-lanceolate or lanceolate, 0.8-1 mm, margin toothed, apex long acuminate or shortly aristate. Flowers ± whorled, orange; pedicel and ovary 0.8-1 mm. Dorsal sepal ovate-elliptic, ca. 0.7 × 0.4-0.5 mm, apex obtuse; lateral sepals broadly ovate or broadly ovate-elliptic, ca. 0.7 × 0.5-0.6 mm. Petals subovate-oblong, 0.6-0.7 × ca. 0.4 mm, margin conspicuously erose or shortly fimbriate; lip broadly ovate-oblong in outline, ca. 1 mm, base slightly concave, 3-lobed; lateral lobes nearly suborbicular, margin fimbriate, fringes to 0.3 mm; mid-lobe nearly broadly oblong, ca. 0.5 mm, margin inconspicuously erose, apex emarginate or shallowly bilobed. Column ca. 0.2 mm, stout. Fl. Nov.

● Epiphytic on trees in forests; 800-900 m. S Yunnan.


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