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This species is accepted, and its native range is China (Shaanxi: Taibai Shan).

[C-EM]
Diagnostic

Inter species subsectionis Macranthorum flore parvo ad C. yunnanense accedens sed ovario pubescenti, petalis non tortis, staminodio oblongo 1-l.l cm longo, 5- 6 mm lato subduplo longiore quam latiore, sepalo dorsali longiore quam latiore. Terrestrial herb, 13-15(-24) cm tall, with stout rhizome 4-5 cm long and 4-5 mm thick. Stem glabrous, bearing 2-3 sheaths at base and 3-4 leaves well spaced above pointing upward. Leaves elliptic or elliptic-lanceolate, 4.5-11 cm long, 2.8-3.5 cm wide, acuminate or subacute, sheathing and amplexicaul at base, glabrous above, minutely pubescent or glabrescent beneath, ciliate. Inflorescence terminal, 1-flowered; peduncle 3-7(-10) cm long, minutely pubescent; bract narrowly elliptic or narrowly elliptic-lanceolate, 6-6.5 cm long, 1.8-2.2 cm broad, acuminate, minutely pubescent on both sides or glabrescent above, ciliate on margins. Pedicel and ovary 1.7-2 cm long, pubescent at least along the ribs; flower 4-4.5 cm across, purple-red; dorsal sepal elliptic-ovate, 2.2-3 cm long, 1.3-1.5 cm wide, acuminate, glabrous; synsepal ovate-elliptic to narrowly elliptic, 2.2-2.8 cm long, 1-1.2 cm wide, bifid at apex, glabrous; petals lanceolate, 2.6-3 cm long, 7-9 mm wide, villose in basal half of adaxial surface; lip deeply pouched, obovate-subglobose, 2.5-3 cm long, 1.5-2 cm broad, pu bescent inside, glabrous outside, with mouth ca. 1.2-1.4 cm across; staminode oblong, 1-1.1 cm long, 5-6 cm wide, longitudinally grooved along the midrib, carinate beneath, mucronate at apex; filaments linear, 3 mm long.

Distribution

Cypripedium is mainly a temperate genus, consisting of about 45 species (Cribb, 1997) distributed largely in eastern Asia and North America. Over two-thirds of the species, about 32, are found in China (Chen & Xi, 1987; Chen & Tsi, 1998). Some species are of phytogeographic significance, several pairs of vicarious species being disjunctly distributed in eastern Asia and eastern North America (Chen, 1983a).

General Description

Inter species subsectionis Macranthorum flore parvo ad C. yunnanense accedens sed ovario pubescenti, petalis non tortis, staminodio oblongo 1-1.1 cm longo, 5- 6 mm lato subduplo longiore quam latiore, sepalo dorsali longiore quam latiore. Terrestrial herb, 13-15(-24) cm tall, with stout rhizome 4-5 cm long and 4-5 mm thick. Stem glabrous, bearing 2-3 sheaths at base and 3-4 leaves well spaced above pointing upward. Leaves elliptic or elliptic-lanceolate, 4.5-11 cm long, 2.8-3.5 cm wide, acuminate or subacute, sheathing and amplexicaul at base, glabrous above, minutely pubescent or glabrescent beneath, ciliate. Inflorescence terminal, 1-flowered; peduncle 3-7(-10) cm long, minutely pubescent; bract narrowly elliptic or narrowly elliptic-lanceolate, 6-6.5 cm long, 1.8-2.2 cm broad, acuminate, minutely pubescent on both sides or glabrescent above, ciliate on margins. Pedicel and ovary 1.7-2 cm long, pubescent at least along the ribs; flower 4-4.5 cm across, purple-red; dorsal sepal elliptic-ovate, 2.2-3 cm long, 1.3-1.5 cm wide, acuminate, glabrous; synsepal ovate-elliptic to narrowly elliptic, 2.2-2.8 cm long, 1-1.2 cm wide, bifid at apex, glabrous; petals lanceolate, 2.6-3 cm long, 7-9 mm wide, villose in basal half of adaxial surface; lip deeply pouched, obovate-subglobose, 2.5-3 cm long, 1.5-2 cm broad, pubescent inside, glabrous outside, with mouth ca. 1.2-1.4 cm across; staminode oblong, 1-1.1 cm long, 5-6 cm wide, longitudinally grooved along the midrib, carinate beneath, mucronate at apex; filaments linear, 3 mm long.

[C-EM]
Use

Many species in the genus are of horticultural importance, attracting worldwide attention due to their large and showy flowers.

Native to:

China North-Central

Cypripedium taibaiense G.H.Zhu & S.C.Chen appears in other Kew resources:

First published in Novon 9: 454 (1999)

Accepted by

  • Govaerts, R. (2003). World Checklist of Monocotyledons Database in ACCESS: 1-71827. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Wu, Z. & Hong, D. (eds.) (2009). Flora of China 25: 1-570. Missouri Botanical Garden Press, St. Louis.

Literature

Cypripedioideae: e-monocot.org

  • Zhu, G. & Chen, S.C. Original description of Cypripedium taibaiense. 9, (1999).
  • Zhu, G. Cypripedium taibaiense (Orchidaceae), a New Species from Shaanxi, China. Novon 9, (1999).

Cypripedioideae: e-monocot.org
All Rights Reserved

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0