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

24. Neottia pinetorum (Lindley) Szlachetko, Fragm. Florist. Geobot., suppl. 3: 118. 1995.

西藏对叶兰 xi zang dui ye lan

Listera pinetorum Lindley, J. Proc. Linn. Soc., Bot. 1: 175. 1857; L. brachybotryosa Tang & F. T. Wang; L. yueana Tang & F. T. Wang ["yüana"]; Neottia yueana (Tang & F. T. Wang) Szlachetko.

Plants autotrophic, 6-33 cm tall. Rhizome with a few elongate, filiform roots. Stem 4-15 cm, slender, with 1 sheath toward base. Leaves 2, opposite, borne at ca. middle of plant, sessile, broadly ovate to ovate-cordate, 1-3.5 × 1-4 cm, base shallowly cordate to nearly broadly truncate, apex acute. Peduncle pubescent; rachis 3-12 cm, pubescent, laxly 2-14-flowered; floral bracts ovate-lanceolate or ovate, 3-6 mm, apex acuminate. Flowers resupinate, greenish yellow; pedicel 4-6 mm, almost glabrous; ovary 3-4.5 mm, glabrous; sepals and petals not spreading widely. Dorsal sepal narrowly elliptic or nearly oblong, 3-4 × 1-1.5 mm, 1-veined, apex obtuse; lateral sepals narrowly elliptic, falcate, 3-4 × 1.2-1.5 mm, apex acute or obtuse. Petals linear, 3-4 × 0.5-1 mm, apex subacute; lip pendulous, variable in shape, obovate-cuneate, oblong-cuneate, sublinear-cuneate, or oblanceolate, 7-13 × 3-5(-7) mm, apex deeply 2-lobed; lobes parallel or occasionally divergent, oblong-ovate, 2-5 × 1-2 mm, margins slightly papillate, apices obtuse-rounded; sinus sometimes with a short tooth between lobes; disk with a longitudinal channel extending from base of lip almost to sinus. Column slightly arcuate above middle, 2-2.5 mm; anther inclined toward rostellum; rostellum large, ca. as long as anther. Fl. Jun-Jul. 2n = 40.

Dense forests, Picea and Abies forests; 2200-3600 m. N Fujian, S and SE Xizang, W Yunnan [Bhutan, NE India, Nepal].


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