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

29. Cypripedium margaritaceum Franchet, Bull. Soc. Philom. Paris, sér. 7. 12: 141. 1888.

斑叶杓兰 ban ye shao lan

Cypripedium daliense S. C. Chen & J. L. Wu.

Plants 7-11 cm tall, with a stout rhizome. Stem erect, usually 2-5 cm, glabrous, covered by 2 sheaths, with a subopposite leaf and bract prostrate on substrate. Leaf blade dark green with blackish purple spots, broadly ovate to orbicular, 10-15 × 7-13 cm, apex obtuse or mucronate. Inflorescence terminal, with 1 flower, ebracteate; pedicel 4-6 cm, glabrous; ovary 1-1.5 cm, 3-ribbed; ribs sparsely pubescent. Flower yellow, marked with maroon longitudinal stripes on sepals and petals and spots on lip; staminode dark maroon. Dorsal sepal broadly ovate, 3-4 × 2.5-3.5 cm, shortly hairy on abaxial veins, papillate-ciliate, apex obtuse or mucronate; synsepal elliptic-ovate, slightly shorter than dorsal sepal, 2-2.5 cm wide, papillate-ciliate, apex obtuse and bidentate. Petals obliquely oblong-lanceolate, curved forward, enfolding lip, 3-4 × 1.5-2 cm, shortly hairy on abaxial veins, apex acute; lip pouched, subellipsoid, dorsiventrally flattened, 2.5-3 cm, tuberculate on front surface. Staminode orbicular to subsquare, ca. 1 cm, adaxially papillate. Fl. May-Jul.

● Grassy slopes, open forests; 2500-3600 m. SW Sichuan, NW Yunnan.


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