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

18. Pleione grandiflora (Rolfe) Rolfe, Orchid Rev. 11: 291. 1903.

大花独蒜兰 da hua du suan lan

Coelogyne grandiflora Rolfe, J. Linn. Soc., Bot. 36: 22. 1903; Pleione barbarae Braem; P. braemii Pinkepank; P. harberdii Braem; P. moelleri Braem; P. mohrii Braem; P. pinkepankii Braem & H. Mohr.

Herbs, lithophytic. Pseudobulb green, subconic, 3-4.5 × 1.2-1.5 cm, enclosed by fibrous remains of basal sheaths, 1-leaved. Leaf very immature at anthesis, lanceolate, papery, base attenuate into a petiole-like stalk, apex acute. Inflorescence erect; peduncle 10-15 cm, covered by 3 or 4 membranous sheaths in lower 2/3; floral bracts narrowly elliptic, 23-40 mm, exceeding ovary, apex obtuse. Flower solitary, large, white, sometimes with dark purplish red or brown spots and streaks on lip. Dorsal sepal oblanceolate, 50-55 × 10-15 mm, apex rounded; lateral sepals narrowly elliptic, slightly oblique, 48-55 × 10-15 mm, usually slightly shorter but wider than dorsal sepal, apex obtuse. Petals oblanceolate, falcate, 50-55 × 8-10 mm, apex rounded; lip broadly ovate-elliptic to flabellate, 50-55 × 30-40 mm, obscurely 3-lobed, base narrowed into a claw ca. 10 mm, upper part of lateral margins and apical margin coarsely lacerate, apex emarginate; disk with 4 or 5(-7) irregularly lacerate lamellae. Column arcuate, 38-40 mm, apex not toothed; column wings very narrow. Fl. May.

On rocks in forests; 2600-2900 m. SE and SW Yunnan [N Vietnam].


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