Cypripedium californicum

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Monocots
Ordo: Asparagales

Familia: Orchidaceae
Subfamilia: Cypripedioideae
Genus: Cypripedium
Subgenus: Cypripedium subg. Irapeana
Sectio: Cypripedium sect. Irapeana
Species: Cypripedium californicum
Name

Cypripedium californicum A.Gray, Proc. Amer. Acad. Arts 7: 389 (1868)

Type locality: "Mendocino County", California, United States
Holotype: Bolander 6474 (GH)

Distribution
Native distribution areas:

Northern America
Northwestern U.S.A.
Oregon.
Southwestern U.S.A.
California.

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition
References
Primary references

Gray, A. 1868. Proceedings of the American Academy of Arts and Sciences 7: 389.

Additional references

Cribb, P. 1997. The Genus Cypripedium. Portland, Oregon: Timber Press ("Botanical Magazine Monographs"); Royal Botanical Gardens, Kew. ISBN 0-88192-403-2
Eccarius, W. 2009. Die Orchideengattung Cypripedium. Phylogenie, Taxonomie, Morphologie, Biologie, Verbreitung, Ökologie, Hybridisation. Bürgel, Germany: EchinoMedia Verlag Dr. Kerstin Ramm, 384 pp. ISBN 978-3-937107-19-6 Reference page.
Pridgeon, A.M., Cribb, P.J., Chase, M.W. & Rasmussen, F.N. (eds.) 1999. Genera Orchidacearum Volume 1: General Introduction, Apostasioideae, Cypripedioideae; page 114 ff., Oxford: Oxford University Press. ISBN 0-198505-13-2

Links

Global Biodiversity Information Facility. 2022. GBIF Backbone Taxonomy. Checklist dataset. Taxon: Cypripedium californicum. Accessed: 2022 Jan 30.
Govaerts, R. et al. 2022. Cypripedium californicum in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2022 Jan 30. Reference page.
Govaerts, R. et al. 2022. Cypripedium californicum in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2022 Jan 30. Reference page.
Hassler, M. 2022. Cypripedium californicum. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2022. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: 2022 Jan 30. Reference page.
International Plant Names Index. 2022. Cypripedium californicum. Published online. Accessed: 30 Jan 2022.
Tropicos.org 2022. Cypripedium californicum. Missouri Botanical Garden. Published online. Accessed: 30 Jan 2022.

Vernacular names

Deutsch: Kalifornischer Frauenschuh
English: California lady's slipper
lietuvių: Kaliforninė klumpaitė
русский: Башмачок калифорнийский

Cypripedium californicum, the California lady's slipper, is a member of the orchid genus Cypripedium, the lady's slipper orchids, native to the western United States.

Description
Blooming in Klamath Mountains, Del Norte County, California.

It often grows in very large clumps and each stem can bear up to 21 flowers. It can grow to be up to over a meter in height and has alternate, plicate leaves the length of the stem. The petals and sepals tend to be greenish-brown while the small pouch is pure white with occasional pink spots.[2]
Distribution and habitat

it has a very restricted range and can only be found in the mountains of southwestern Oregon (including the Kalmiopsis Wilderness) and northern California.[3][4] It prefers the margins of woodland streams in open coniferous forests.
References

Rankou, H. (2014) Cypripedium californicum. In: IUCN 2014. IUCN Red List of Threatened Species. Version 2014.1.
"Cypripedium californicum in Flora of North America @ efloras.org". www.efloras.org.
Cypripedium californicum A. Gray. California lady's slipper. US Department of Agriculture

Biota of North America Program, county distribution map. bonap.net

Cribb, P. & Green, P. (1997). The Genus Cypripedium (a botanical monograph). Kew Royal Botanic Gardens, Timber Press ISBN 0-88192-403-2