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This species is accepted, and its native range is SE. Tibet to China (S. Yunnan) and N. Vietnam.
Cypripedium subtropicum (Photograph by Hong Jiang, courtesy of the Swiss Orchid Foundation)

[C-EM]
Ecology

In Alnus (alder) woodland; 1400 m.

General Description

A large terrestrial herb to 1.5 m tall; rhizome short; roots fleshy, 2-3 mm in diameter. Stem to 1 cm in diameter, pubescent, 9- to 10-leaved, densely pubescent, covered below by several sheaths, 2.5-9.5 cm long, pubescent. Leaves erect-spreading, slender, elliptic-lanceolate or oblong-elliptic, acuminate, 21-33 cm long, 7.7-10.5 cm wide, glabrous above, pubescent on and between the veins beneath, margins more or less ciliate, gradually narrowing into a 1-2 cm long petiole but not articulated to the sheathing base. Raceme terminal, seven-flowered; peduncle c. 21 cm long; rhachis reddish hairy, c. 15 cm long; bracts erect-spreading but later reflexed, lanceolate, acute, 1-2.8 cm long, 0.15-0.3 cm wide, reddish hairy. Flowers showy, yellow with a purple-spotted lip; pedicel and ovary c. 4.5 cm long, densely glandular and brownish pilose. Dorsal sepal ovate-elliptic, cuspidate-acuminate, 3.5-3.9 cm long, 2.2-2.5 cm wide, reddish hairy on outer surface; synsepal ovate-elliptic, bifid at apex, a little wider than the dorsal sepal, ciliate, reddish hairy on outside. Petals spreading, suboblong-ovate, acute or apiculate, 3-3.6 cm long, 0.9-1.1 cm wide, nine-veined, the base of the outside and the veins inside reddish hairy, basal margins ciliate. Lip slipper-shaped, slightly dependent-porrect, obovoid-ellipsoidal, 4-4.6 cm long, c. 3 cm wide, glabrous on outside, pilose within at the base, the side lobes oblong, incurved, the mouth suboblong. Column 1.3 cm long; staminode stalked, ligulate-spathulate, obtuse, stipitate at the base, slightly upcurved at tip, 0.5 cm long, 0.15 cm wide.

Native to:

China South-Central, Tibet, Vietnam

Cypripedium subtropicum S.C.Chen & K.Y.Lang appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Li, B. S. [11188], Xizang K000077897 Unknown type material
Li [11188], Xizang K000077898
Li [11188], China K000077899
Li [11188], China K000077900

First published in Acta Phytotax. Sin. 24: 317 (1986)

Accepted by

  • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
  • 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

  • Chen, S.C. & Lang, K.Y. Original description of Cypripedium subtropicum. 24, (1986).
  • Sing-Chi, C. & Kai-Yong, L. Cypripedium subtropicum, a New Species Related to Selenipedilum. Acta Phytotaxonomica Sinica 24, 317-322 (1986).

Cypripedioideae: e-monocot.org
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Herbarium Catalogue Specimens
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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