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

45. Habenaria shweliensis W. W. Smith & Banerji, Rec. Bot. Surv. India. 6: 33. 1913.

中缅玉凤花 zhong mian yu feng hua

Habenaria crassilabia Kraenzlin.

Plants 35-50 cm tall. Tubers ellipsoid, 2.5-3 × 1.2-2 cm, fleshy. Stem erect, terete, with 4 or 5(-7) somewhat clustered leaves below and 3 to many bractlike leaves above. Leaf blade elliptic, elliptic-lanceolate, lanceolate, or oblong, 5-10 × 1.8-4 cm, thinly textured, base contracted into amplexicaul sheath, apex acute. Raceme loosely 14-30-flowered, 10-15 cm; floral bracts ovate-lanceolate, 1.5-2 × 0.3-0.4 cm, longer than flowers, apex acuminate; ovary twisted, slightly arching, cylindric, 1-1.2 cm. Flowers spreading horizontally, yellowish green. Sepals green, 3-veined; dorsal sepal broadly ovate, concave, 3-4 × 2.8-3 mm, apex obtuse; lateral sepals spreading, obliquely ovate, concave, 3-4 × 2.5-2.8 mm, apex obtuse. Petals forming a hood with dorsal sepal, erect, yellow, obliquely ovate, 2.8-3.5 × ca. 2 mm, 3-veined, apex obtuse or emarginate; lip yellowish green, thickly textured, ca. 4 mm, 3-lobed from base; lateral lobes pendulous, narrowly oblong, ca. 3 × 1 mm, apex obtuse, reflexed; mid-lobe suberect, narrowly ovate-lanceolate, ca. 3 × 2 mm, apex adnate to tip of hood formed by dorsal sepal and petals; spur pendulous, slightly curved, cylindric-clavate, 3-6 mm, shorter than ovary, conspicuously dilated toward apex; connective narrow; pollinia ovoid; viscidia linear-oblong, ca. 0.8 mm. Fl. Jul-Sep.

Grassy slopes; 1300-2000 m. SW Guizhou, N Yunnan [Myanmar].


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