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

29. Oberonia latipetala L. O. Williams, Bot. Mus. Leafl. 5: 165. 1938.

阔瓣鸢尾兰 kuo ban yuan wei lan

Stem short, ± inconspicuous. Leaves subbasal, 5-7, distichous-equitant, laterally compressed, broadly linear, slightly falcate, (2-)3.5-10 × 0.4-0.8 cm, thick, veins obscure, base articulate, apex acuminate. Peduncle subterete, 10-18 cm, wingless; sterile bracts many, subulate, 3-5 mm; rachis 7.5-10 cm, 4-5 mm in diam., many flowered; floral bracts ovate-lanceolate, apex with awn ca. 2 mm. Flowers purple; pedicel and ovary ca. 0.5 mm. Dorsal sepal ovate-oblong, 1.8-2 × ca. 1.4 mm, abaxially with small setiform projections, margin inconspicuously erose, apex acute or obtuse; lateral sepals ovate, ca. 1.7 × 1 mm, abaxially also with small setiform projections, margin slightly erose. Petals broadly elliptic or orbicular, 2-2.5 × ca. 2 mm, abaxially with small setiform projections near margin, margin inconspicuously erose-denticulate, apex acute or subrounded; lip nearly broadly obovate in outline, 1.8-2 mm, base contracted into a short claw ca. 0.5 mm, margin erose, apex mucronate. Column short, stout. Capsule obovoid-ellipsoid, 4-5 × ca. 3 mm, with a very short pedicel. Fl. Sep-Oct, fr. Mar-Apr.

● Epiphytic on trees in forests; 1500-2400 m. W Yunnan.


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