宝岛鸢尾兰 Oberonia insularis
异名：套叶鸢尾兰 Oberonia sinica、宝岛鸢尾兰 Oberonia pumila
Epiphytes. Rhizome creeping, 1–1.5 mm in diam., slender, covered by scalelike sheaths at nodes. Stem short, 1–2 cm. Leaves 3–6, distichous-equitant, laterally compressed, fleshy, ensiform or ovate-lanceolate, 6–19 × 1.5–5 mm, base articulate. Racemes terminal, about 3–5 cm long, many flowered. Bracts ovate lanceolate, 1–2 mm, margin slightly erose. Pedicel as long as the bracts. Flowers light green to pale yellowish brown, ca. 2 mm in diam., not resupinate. Sepals reflexed, ovate-elliptic, ca. 0.8–1 × 0.4 mm, acute; lateral sepals usually narrower than dorsal sepal. Petals reflexed, narrowly oblong in outline, ca. 0.7–1 × 0.15 mm; lip ovate-oblong in outline, 1.7 × 0.6 mm, margin slightly toothed, bilobed at apex; apical lobes divergent, narrowly lanceolate, 0.3–0.4 mm. Column short, ca. 0.2 mm; pollinia 4, in 2 pairs, without caudicles, waxy. Flowering May–June; fruiting July.
Forests; 800-1600 m. C Taiwan. |
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Rhizome creeping, ca. 1.5 mm in diam., slender, branched, loosely covered by scalelike sheaths at nodes. Stems short, arising at intervals of 5-25 mm along rhizome, 3-5-leaved. |
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Leaves ± distichous-equitant, laterally compressed, elliptic, oblong, or lanceolate, 10-25 × 3-8 mm, fleshy, base not articulate. Peduncle suberect, 3-6 cm; rachis ca. 2.5 cm, densely with many small flowers; |
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floral bracts ovate-lanceolate, 1.5-2 mm. Flowers opening widely, pale green to pale brownish green, ca. 2 mm in diam.; pedicel and ovary green, ca. 2 mm. Sepals ± reflexed, ovate, slightly concave, 0.8-1 × 0.4-0.5 mm, apex acute. Petals slightly falcate, linear, ca. 1 × 0.2 mm, apex obtuse; lip narrowly ovate-oblong in outline, 1.3-1.7 × ca. 0.6 mm, deeply bilobed, margin irregularly serrate; apical lobes slightly divergent or slightly recurved, linear-lanceolate, ca. 0.7 mm. Column short. Fl. Apr-May or Dec. |
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