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This species is accepted, and its native range is Alaska to California.
A specimen from Kew's Herbarium

[C-EM]
General Description

A terrestrial herb 25-70 cm tall, growing from a short stout rhizome. Stem erect, leafy, somewhat flexuous, covered below by several tubular sheaths, four- to seven-leaved above, glandular- pubescent. Leaves spreading-ascendent, plicate, broadly ovate to elliptic-lanceolate, obtuse to shordy acuminate, 5-16 cm long, 2.5-8 cm wide, glandular-pubescent on the veins, glandularciliate. Inflorescence one- to three-flowered; peduncle 6-11 cm long, glandular-pubescent; bracts foliaceous, ovate-elliptic to broadly elliptic, acute to acuminate, 4-8.5 cm long. Flowers showy, with maroon-brown sepals and petals and a white lip, the staminode yellow with red spotting, well-spaced on rhachis; pedicel and ovary 2-3.6 cm long, densely glandular-pubescent. Dorsal sepal ascending- suberect, lanceolate to ovate-lanceolate, long-acuminate, 3-6.5 cm long, 1-1.5 cm wide, the margins somewhat undulate, pubescent on outer surface; synsepal elliptic-lanceolate, bidentate at acuminate apex, 3-6.5 cm long, 0.8-1.5 cm wide, pubescent on outer surface. Petals deflexed at 45° to horizontal, linear to linear-lanceolate, acuminate, 4.5-7 cm long, 0.3-0.6 cm wide, spirally twisted two to three times, pilose on inner surface. Lip obliquely ellipsoidal, somewhat boat-shaped, 2-3 cm long, 1.3-1.7 cm across, pilose within, the mouth small. Column short, c. 1 cm long; staminode ovate-oblong to trullate, subacute, 0.8-1.2 cm long, 0.5-0.6 cm wide, longitudinally conduplicate, glabrous.

Ecology

In moist and dry open woods, subalpine slopes, and sometimes in scrub oak or swamps, usually at high elevation; to 1600 m. Flowering in April to July.

Distribution

Canada (Vancouver Island, British Colombia, Alberta), U.S.A. (SE. Alaska, Washington, Oregon, Montana, Idaho, Colorado, Wyoming, California).

Biology

Flowering in April to July.

Native to:

Alaska, Alberta, British Columbia, California, Idaho, Montana, Oregon, Washington, Wyoming

Cypripedium montanum Douglas ex Lindl. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Frosch, W., USA 59749.000
Perner, H., USA 60168.000
Crease [s.n.], Canada K000363732
Douglas [s.n.], USA K000363733
Douglas [s.n.], Northwestern U.S.A. K000718631 isotype
Elves [s.n.] K000718632

First published in Gen. Sp. Orchid. Pl.: 528 (1840)

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.

Literature

Cypripedioideae: e-monocot.org

  • Lindley, J. Original description of Cypripedium montanum. (1840).at

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