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

34. Neottia yunnanensis (S. C. Chen) Szlachetko, Fragm. Florist. Geobot., suppl. 3: 119. 1995.

云南对叶兰 yun nan dui ye lan

Listera yunnanensis S. C. Chen, Kew Bull. 35: 759. 1981.

Plants autotrophic, 37-47.5 cm tall. Rhizome with a few roots. Stem with 1 tubular sheath at base. Leaves 2, opposite, borne below middle of plant, sessile, ovate, 5.5-6 × 4.4-5 cm, base slightly cordate, apex acute or mucronate. Peduncle pubescent, with 1 sterile bract 3-8 mm; rachis 14-16 cm, pubescent, laxly 24-35-flowered; floral bracts lanceolate, nearly as long as pedicel. Flowers resupinate, green; pedicel ca. 4 mm, sparsely pubescent; ovary fusiform, ca. 3 mm, glabrous; sepals and petals spreading. Dorsal sepal narrowly ovate-elliptic, 2.5-3 × ca. 1 mm, 1-veined, apex obtuse; lateral sepals ovate, oblique, 2.5-3 × ca. 1.3 mm, 1-veined. Petals suboblong, 2.5-2.8 × 0.5-0.6 mm, apex rounded; lip narrowly obovate-cuneate, 6-7 × 2.5-5 mm, with a pair of auricles near base, apex deeply 2-lobed; lobes diverging at an acute angle, narrowly lanceolate, 3-4 mm, margins minutely ciliate, apices acuminate; disk with a pair of somewhat fleshy calli at base and a pair of swollen, suborbicular lamellae midway along length of lip; auricles ovate-oblong, ca. 1.3 × 0.6 mm. Column ca. 1 mm; rostellum ovate, slightly shorter than anther. Fl. Aug.

● Mixed forests; ca. 2300 m. SE Yunnan.


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