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

1. Neottia listeroides Lindley in Royle, Ill. Bot. Himal. Mts. 368. 1839.

高山鸟巢兰 gao shan niao chao lan

Listera lindleyana (Decaisne) King & Pantling; Neottia dongrergoensis Schlechter; N. lindleyana Decaisne; Nidus listeroides (Lindley) Kuntze.

Plants leafless, holomycotrophic, 15-35 cm tall. Rhizome with many fleshy roots. Peduncle green, 8-20 cm, slender to robust, pubescent, with 3-5 sheaths; sheaths tubular, 1.5-3 cm, membranous; rachis 6-15 cm, pubescent, subdensely 10- to more than 20-flowered; floral bracts suboblong-lanceolate, lower ones 12-15 mm, to ca. 4 mm above, abaxially pubescent, apex acuminate or acute. Flowers resupinate, pale green or green; pedicel 6-8 mm, slender, pubescent; ovary broadly ellipsoid-fusiform, 3-8 mm, densely pubescent; sepals and petals spreading. Sepals oblong-ovate, 4-5 × 1-1.8 mm, outer surfaces sparsely pubescent, with prominent midvein, apex obtuse; lateral sepals falcate. Petals sublinear to narrowly oblong, 3.8-4.5 × ca. 0.5 mm, glabrous, with prominent midvein; lip pendulous or spreading forward, narrowly obovate-oblong, 6-9 × 3-4 mm, narrowing to 1.5-2 mm wide at base, apex deeply 2-lobed; lobes subparallel to one another, subovate or ovate-lanceolate, 1.5-2.5 × 0.8-1.2 mm, margins minutely ciliate, apices acute or obtuse; sinus with a short tooth between lobes. Column slightly arcuate, 2.5-3 mm; anther inclined toward rostellum, ovoid-ligulate, ca. 0.7 mm; stigma concave, suborbicular; rostellum spreading horizontally, broadly ovate-ligulate, nearly as long as anther. Fl. Jul-Sep. 2n = 40, 46.

Forests, grassy slopes; (1500-)2500-3900 m. C Gansu, N Shanxi, W Sichuan, S and SE Xizang, NW Yunnan [Bhutan, India, Kashmir, Nepal, Pakistan].


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