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

[C-EM]
Ecology

In Pinus-Quercus (pine-oak) forest or grassy banks on clayey soils and amongst rocks, often in volcanic areas; 600-2250 m.

General Description

A tall terrestrial herb to 1 m tall, with solitary or less commonly clustered, erect stems growing from a stout short underground rhizome. Stems stout, terete, densely coarsely hairy, leafy along length. Leaves to 20 or more, plicate, ovate to ovatelanceolate, acute to acuminate, sheathing at the base, 5-18 cm long, 2-6 cm wide, ciliate, hairy on both surfaces. Inflorescence to 10 cm long, to six-flowered, the flowers produced singly in succession; bracts leaf-like, lanceolate to elliptic-ovate, acuminate, 5-10 cm long, hairy. Flowers large, bright yellow with red marks on the staminode and on the incurved basal margins of the lip; pedicel and ovary 3-5 cm long, densely coarsely hairy and glandular. Dorsal sepal erect, elliptic, 3.4-6 cm long, 2-3.5 cm wide, ciliate, finely densely glandular hairy on outer surface. Synsepal similar to the dorsal sepal but oblong-elliptic, 3-6 cm long, 2-3 cm wide. Petals spreading-incurved, oblong-elliptic, acute, 4.8-7 cm long, 2.3-3 cm wide, ciliate, glandular hairy on inner surface especially near base. Lip deeply saccate, obovoid-globose, 4-7 cm long, 3.5-4.5 cm across, the margins incurved around the broad mouth, with translucent windows all over the surface. Column 1.1-1.5 cm long; stalk glabrous; staminode convex, cordiform to trullate, acute to apiculate, 1-1.5 cm long, 1-1.2 cm wide, ciliate.

Native to:

Guatemala, Honduras, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest

Cypripedium irapeanum Lex. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jan 16, 1974 Klee [s.n.], Guatemala K000363713
Jan 16, 1974 Skinner [s.n.], Guatemala K000363714
Hartweg, T. [s.n.], Mexico K000363710

First published in P.de La Llave & J.M.de Lexarza, Nov. Veg. Descr. 2(Orchid. Opusc.): 10 (1825)

Accepted by

  • Gonzáles Tamayo, J.R. & Hernández Hernández, L. (2010). Las Orquídeas del occidente de México 1: 1-303. Coecytjal.
  • 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.
  • Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras.

Literature

Cypripedioideae: e-monocot.org

  • de Lexarza, J.J.M. Original description of Cypripedium irapeanum. 2, (1825).

Cypripedioideae: e-monocot.org
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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