Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Asparagales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Cypripedium reginae
FAMILY
Orchidaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Learn more about Cypripedium from the Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Cypripedium reginae
FAMILY
Orchidaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Cypripedium reginae
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 26 (2002)
Cypripedium reginae
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 049-01-003:
Cypripedium reginae FAMILY Orchidaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Cypripedium reginae
COMMON NAME:
Showy Lady's Slipper, Queen Lady's Slipper
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_cyre6_001_lvd
)
USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide pnd_cyre6_010_lvd
)
Jeff Ausmus jma_cypreg2
June Ogemaw County MI
Rifle River Recreation Area
Pouch-like lip of flower pink and white (rarely all white), per Weakley's Flora (2020).
)
Jeff Ausmus jma_cypreg3
June Monroe County MI
In cultivation
Lateral petals and dorsal sepal white, not twisted, per Weakley's Flora (2020).
)
Jeff Ausmus jma_cypreg5
June Ogemaw County MI
Rifle River Recreation Area
Each plant usually with 3-7 leaves, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
Jeff Ausmus jma_cypreg6
June Ogemaw County MI
Rifle River Recreation Area
The plant is glandular-hirsute throughout, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
Jeff Ausmus jma_cypreg7
June Ogemaw County MI
Rifle River Recreation Area
Leaves 1-24cm long, 6-15cm wide, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
Jeff Ausmus jma_cypreg8
June Ogemaw County MI
Rifle River Recreation Area
)
Jim Fowler jafcypreginae_1050710
July Manitoba, Canada
Sepals are white, round-oval, 1.2-1.8" long, per Wildflowers of Tennessee (Carman, 2005).
)
Jim Fowler jafcypreginae_2050710
July Manitoba, Canada
Petals white, spreading, narrowly oblong. Lip is a white-streaked rose pouch, per Wildflowers of Tennessee (Carman, 2005).
)
Jeff Ausmus jma_cypreg
August Mackinac County MI
Sault Ste Marie State Forest Area: Brevort Township
Capsule ellipsoid, 3-4.5cm long and about 1.5cm in diameter, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Cypripedium reginae
FAMILY
Orchidaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Cypripedium reginae
FAMILY
Orchidaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Cypripedium reginae
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 26
Cypripedium reginae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 049-01-003:
Cypripedium reginae
FAMILY
Orchidaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Cypripedium reginae
2293
Forb
Perennial
Habitat: fens, seepage swamps, and mesic forests, over circumneutral to basic rocks, per Weakley's Flora
Native: north of the Carolinas & Georgia (doubtfully to NC)
Rare (historically in NC Mountains, but not recently seen)
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple
FLOWER:
Spring/Summer
White/Mauve
Bilaterally symmetrical
3 sepals, two lateral and one dorsal
3 petals, the two lateral similar and a third (the lip) enlarged
stamens and pistil fused together into a column
Inferior ovary
Bisexual
FRUIT:
Spring/Summer
Capsule
TO LEARN MORE about this plant, look it up in a good book!
- Wildflowers of the Eastern United States (Duncan & Duncan, 1999) p174
- Wild Flowers of NC, 2nd edition (Justice, Bell, & Lindsey, 2005) p046
- Wildflowers of Tennessee (Carman, 2005) p394
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p452
- Wildflowers of the Southern Mountains (Smith, 1998) p022
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".
Less is more: If "pencil flower" doesn't deliver the results you want, try "pencil".