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

11. Habenaria balfouriana Schlechter, Repert. Spec. Nov. Regni Veg. 20: 381. 1924.

滇蜀玉凤花 dian shu yu feng hua

Plants 15-20 cm tall. Tubers oblong, 1-1.5 × 0.7-1 cm, fleshy. Stem erect, terete, 2-2.5 mm in diam., densely papillate-hairy, with 2 nearly opposite leaves at base. Leaf blade spreading horizontally, sometimes slightly tinged with yellowish white, ovate or broadly elliptic, 3-4 × ca. 3 cm, slightly fleshy, with 5 main veins, base obtuse-rounded, apex acuminate or acute. Raceme 3-7-flowered, erect, ca. 7 cm; rachis papillate; floral bracts lanceolate, apex acuminate; ovary twisted, fusiform, including pedicel 11-12 mm, finely papillate-hairy. Flowers yellowish green. Dorsal sepal forming a hood with petals, erect, ovate, concave, 5-6 × 3.5-4 mm, 3-veined, margin ciliate-denticulate, apex obtuse; lateral sepals reflexed, obliquely ovate-oblong, 6-7 × 3.5-4 mm, 3-veined, apex subacute. Petals 2-lobed; upper lobe obliquely ovate-lanceolate, 5-6 × 2-2.2 mm; lower lobe a tooth at base of upper lobe; lip longer than sepals, deeply 3-lobed above base; lateral lobes retrorse, almost embracing ovary, subulate, 1-1.2 cm; mid-lobe linear, ca. 1 cm; spur pendulous, slightly curved, cylindric-clavate, ca. 1.3 cm, longer than ovary, apex subobtuse; connective relatively narrow; stigmas suboblong. Fl. Jul-Aug.

● Forests or shrubby grasslands; 2200-3600 m. SW Sichuan, NW Yunnan.


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