Cypripedium fasciculatum

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Cypripedium fasciculatum
Cypripedium fasciculatum (14639706125) cropped 1.jpg
At Lake Blanche, Big Cottonwood Canyon, Utah
Status TNC G4.svg
Apparently Secure  (NatureServe) [2]
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Cypripedioideae
Genus: Cypripedium
Species:
C. fasciculatum
Binomial name
Cypripedium fasciculatum
Synonyms [3]
List
    • Cypripedium fasciculatum f. purpureum P.M.Br.
    • Cypripedium fasciculatum var. pusillum (Rolfe) Hook.f.
    • Cypripedium fasciculatum f. viride P.M.Br.
    • Cypripedium knightae A.Nelson
    • Cypripedium pusillum Rolfe

Cypripedium fasciculatum, the clustered lady's slipper, [4] is a member of the orchid genus Cypripedium . Members of this genus are commonly referred to as ladies' slippers. C. fasciculatum, along with C. montanum and C. californicum , are the only members of the genus Cypripedium that are endemic to western North America.

Contents

Description

Cypripedium fasciculatum has two plicate leaves that are usually near the ground, but can be elevated up to 15 cm (5.9 in) in some individuals. Up to four flowers hang from a drooping stem, sometimes resting on the leaves or even on the ground. The petals and sepals are green to purplish-brown while the pouch is yellowish-green with purple streaking near the opening.

Taxonomy

The botanist Albert Kellogg scientifically described and named Cypripedium fasciculatum in 1879. It is classified in the genus Cypripedium within the family Orchidaceae. It has no accepted varieties according to Plants of the World Online. [3]

Range

C. fasciculatum is found in the western United States in Washington, Oregon, California, Colorado, Montana, Idaho, Utah, and Wyoming. [5] [6] It is usually found in cool, open coniferous forests, mostly in the mountains.

References

  1. ↑ Rankou, H. 2014. Cypripedium fasciculatum. The IUCN Red List of Threatened Species 2014: e.T43315656A43327649. https://dx.doi.org/10.2305/IUCN.UK.2014-1.RLTS.T43315656A43327649.en. Downloaded on 06 December 2020.
  2. ↑ NatureServe (3 October 2025). "Cypripedium fasciculatum". NatureServe Explorer. Arlington, Virginia. Retrieved 4 October 2025.
  3. 1 2 "Cypripedium fasciculatum Kellogg". Plants of the World Online. Royal Botanic Gardens, Kew . Retrieved 6 December 2020.
  4. ↑ Jepson Manual Treatment of Cypripedium fasciculatum
  5. ↑ US Department of Agriculture plants profile
  6. ↑ Biota of North America Program, county distribution map
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