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

5. Pleione scopulorum W. W. Smith, Notes Roy. Bot. Gard. Edinburgh. 13: 218. 1921.

二叶独蒜兰 er ye du suan lan

Bletilla scopulorum (W. W. Smith) Schlechter; Jimensia scopulorum (W. W. Smith) Garay & R. E. Schultes.

Herbs, terrestrial. Pseudobulb green, usually ovoid, slightly oblique, 1-2.5 × 0.6-1.5 cm, tapering at apex into a conspicuous long neck, 2-leaved. Leaves developing at flowering, lanceolate, oblanceolate, or narrowly elliptic, 4-13 × 1-2.3 cm, papery, base attenuate into a petiole-like stalk enclosed in tubular sheaths, apex acute. Inflorescence erect; peduncle 12-18 cm, lacking sheaths; floral bract oblanceolate, 18-27 mm, shorter than or almost as long as ovary, apex obtuse to acute. Flowers solitary or rarely 2 or 3, rose-purple or rarely white and tinged pale purplish blue, usually with a yellow center and dark purple spots on lip, sepals and petals rarely yellow. Dorsal sepal elliptic-lanceolate or narrowly ovate, 25-32 × 7-9 mm, apex acuminate; lateral sepals obliquely elliptic, 21-30 × 8-10 mm, apex apiculate. Petals oblanceolate or narrowly ovate-oblong, 25-32 × 7-9 mm, apex subacute or obtuse; lip transversely elliptic or suboblate, 20-25 × 25-30 mm, much broader than long, obscurely 3-lobed, apical margin denticulate, apex obtuse and sometimes emarginate; disk with 5-9 lacerate lamellae extending from base of lip to midway along mid-lobe; lamellae 1-1.5 mm tall. Column ± arcuate, 15-20 mm; column wings very narrow below middle, dilated above, to 5 mm tall at apex, apex irregularly dentate. Capsule fusiform-oblong, 20-30 mm. Fl. May-Jul, fr. Oct. 2n = 40.

Rocky grasslands in coniferous forests, mossy rocks along streams, subalpine scrubby meadows; 2800-4200 m. SE Xizang, NW and SW Yunnan [NE India, Myanmar].


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