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Chinese Plant Names | Family List | Orchidaceae | Gymnadenia

Gymnadenia crassinervis Finet

Description from Flora of China

Plants stout or slender, 7-20(-40) cm tall. Tubers ellipsoid, 1-2 cm, with a few slender lobes. Stem stout, with 2 or 3 tubular sheaths at base and 3-5 cauline leaves. Leaves clustered, rarely widely spaced, elliptic-oblong, 3.5-7(-11) × 0.8-2 cm, apex acute. Inflorescence 4-10(-26) cm, stout; peduncle with 1 or 2 lanceolate bracts 2-4(-5) cm; rachis 2-4(-7.5) cm, densely or laxly many flowered; floral bracts lanceolate to ovate-lanceolate, much longer than ovary, apex acuminate. Flowers pink, rarely tinged with white; ovary 5-7 mm including pedicel. Dorsal sepal erect, ovate-oblong to ovate-lanceolate, cymbiform, 2.8-3.5 × 1.2-2 mm, 3-veined, apex acute to obtuse; lateral sepals spreading, ovate-lanceolate, oblique, 3.5-4.5 × 1.5-2.2 mm, 3-veined, apex acute. Petals straight, broadly ovate, 3-4 × 1.8-2.5 mm, 2-veined, apex acute; lip spreading forward, broadly obovate, 3-3.5 × 2-2.8 mm, 3-lobed at apex; lateral lobes obovate-orbicular, 0.5-1 mm wide, apex obtuse-rounded or truncate; mid-lobe triangular, 0.8-1.5 mm wide, longer than lateral lobes, apex obtuse; spur pendulous, usually curved forward, 2-4 mm, much shorter than ovary, slightly dilated toward apex, apex obtuse. Column 0.8-1 mm; viscidia lanceolate. Fl. Jun-Jul, fr. Aug-Sep.

Rhododendron thickets, crevices on rocky slopes; 2000-3800 m. W Sichuan, E and S Xizang, NW Yunnan.


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