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

21. Habenaria petelotii Gagnepain, Bull. Soc. Bot. France. 78: 73. 1931.

裂瓣玉凤花 lie ban yu feng hua

Habenaria pseudodenticulata Handel-Mazzetti.

Plants 35-60 cm tall. Tubers oblong, 3-4 × 1-2 cm, fleshy. Stem erect, terete, stout, with 5 or 6 leaves near middle and many bractlike leaves above. Leaf blade elliptic or elliptic-lanceolate, 3-15 × 2-4 cm, base contracted into amplexicaul sheath, apex acuminate. Raceme loosely 3-12-flowered, 4-12 cm; floral bracts narrowly lanceolate, ca. 15 × 3-4 mm, apex acuminate; ovary twisted, slightly arching, cylindric-fusiform, including pedicel 1.5-3 cm, glabrous. Flowers greenish or white. Dorsal sepal concave-hooded, ovate, 10-12 × ca. 6 mm, 3-veined, apex acuminate; lateral sepals spreading, oblong-ovate, 11-13 × ca. 6 mm, 3-veined, apex acuminate. Petals deeply 2-lobed from base; lobes divergent, linear, 1.5-2 mm wide, margin ciliate; upper lobe erect, 14-16 mm; lower lobe ca. 20 mm; lip deeply 3-lobed above base; lobes linear, nearly equal in length and width, 15-20 × 1.5-2 mm, margin ciliate; spur pendulous, slightly bent forward, cylindric-clavate, 1.3-2.5 cm, thickened from middle to end, apex obtuse; stigmas oblong, ca. 2 mm. Fl. Jul-Sep.

Forests, along valleys; 300-1600 m. Anhui, N Fujian, Guangdong, Guangxi, Guizhou, Hunan, Jiangxi, Sichuan, SE Yunnan, Zhejiang [Vietnam].


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