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

28. Cypripedium forrestii P. J. Cribb, Quart. Bull. Alpine Gard. Soc. Gr. Brit. 60: 172. 1992.

玉龙杓兰 yu long shao lan

Cypripedium bardolphianum W. W. Smith & Farrer var. zhongdianense S. C. Chen.

Plants 3-5 cm tall, with a slender, creeping rhizome. Stem erect, 1.5-3 cm, covered by 2 conic sheaths, with a subopposite leaf and bract. Leaf and bract spreading horizontally or nearly prostrate on substrate; blade adaxially green, usually heavily marked with dark purple or black spots, rarely unspotted, elliptic or elliptic-ovate, 5-6.5 × 2.5-3.6 cm, apex mucronate. Inflorescence terminal, with 1 flower, ebracteate; pedicel 1.7-2.5 cm, villous; ovary 0.8-1 cm, villous. Flower small, dull yellow, finely spotted with maroon. Dorsal sepal ovate, 2.2-2.4 × 1.4-1.5 cm, abaxial midvein hairy, apex mucronate; synsepal ovate-elliptic, 1.8-1.9 × 0.8-1 cm, abaxial veins slightly hairy, apex shallowly 2-lobed and slightly recurved. Petals obliquely ovate, ± enfolding lip, 1.5-1.8 × 0.5-0.6 cm, apex acute; lip pouched, dorsiventrally compressed, subglobose, ca. 1 cm, outer surface papillose. Staminode oblong, ca. 3.5 × 3 mm, adaxially papillate, apex obtuse. Fl. Jun.

Pinus forests, scrubby slopes, open forests; ca. 3500 m. NW Yunnan.


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