喙房坡参（新拟）
Habenaria rostrata Lindl. , Gen. Sp. Orch. pl. 325. 1835; Hook. f. , Fl. Brit. Ind. 6: 146. 1890; Grant, Orch. Burma 341. 1895; Kraenzl. , Orch. Gen. Sp. 1: 413. 1898; Finet in Rev. Gen. Bot. 13: 526. 1901; S. Y. Hu in Quart. J. Taiwan Mus. 27 (1-2): 171. 1974; Seidenf. in Dansk Bot. Ark. 31(3): 110, fig. 67. 1977. ——Habenaria acuifera Lindl. var. rostrata Finet in Rev. Gen. Bot. 13: 526. 1901.
Forests, forest margins, thickets; 900-2000 m. S Sichuan, C and S Yunnan [Laos, Myanmar, Thailand, Vietnam]. |
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Plants 20-30 cm tall. Tubers oblong, 2-3 × 0.8-1 cm, fleshy. Stem erect, terete, glabrous, with 4 or 5 leaves and 4-8 bractlike leaflets. |
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Leaf blade oblong or oblong-lanceolate, 5-10 × 0.7-1 cm, base amplexicaul, apex acute. |
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Raceme many flowered, sometimes nearly corymbiform, 4-6 cm; floral bracts lanceolate, shorter than ovary, ciliate, apex aristate; ovary twisted, arching, cylindric-fusiform, including pedicel 15-16 mm. Flowers reddish orange, with greenish sepals. Dorsal sepal forming a hood with petals, erect, broadly elliptic, concave, ca. 4.5 × 3 mm, 3-veined, apex obtuse; lateral sepals reflexed, obliquely ovate-elliptic, ca. 6.5 × 4 mm, 3-veined, apex obtuse. Petals obliquely broadly oblong, falcate, ca. 4.5 × 2 mm, 1-veined, margin ciliate, apex obtuse; lip ca. 10 mm, spurred at base, with a 3-lobed, ring-shaped structure near mouth of spur, shortly 3-lobed, lobes linear; lateral lobes extremely bifid, ca. 7 × 0.6 mm, apex acuminate; mid-lobe ca. 8 × 1 mm, apex obtuse; spur pendulous, cylindric-clavate, 11-12 mm, slightly shorter than ovary, slightly dilated toward apex; connective narrow; pollinia ellipsoid; caudicles linear, slender; viscidia linear; stigmas oblong, ca. 2 mm. Fl. Jul-Aug. |
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