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Orchidaceae
Cypripedium

not marked as a favorite taxon Cypripedium acaule W. Aiton. Common name: Pink Lady's-slipper, Moccasin-flower. Phenology: Apr-Jun; Aug. Habitat: Dry to mesic, acid forests and woodlands, often under pine, other conifers, and/or oaks. Distribution: Newfoundland and Labrador (Newfoundland) west to n. Alberta, south to North Carolina, South Carolina, Georgia, n. Alabama, Tennessee, n. Indiana, and Minnesota.

Glossary (beta!)

Section: Acaulia.

Origin/Endemic status: Native

Synonymy ⓘ: = AqW, C, Can, F, FNA26, G, Il, K1, K4, Mi, NE, NS, NY, Pa, POWO, RAB, Tat, Tn, Va, W, WV, Correll (1950), Luer (1975); = Fissipes acaulis (Aiton) Small — S, S13. Basionym: Cypripedium acaule W. Aiton 1789

Links to other floras: = Cypripedium acaule - FNA26

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACU
  • Eastern Mountains and Piedmont: FACU
  • Great Plains: FACW
  • Midwest: FACW
  • Northcentral & Northeast: FACW

Heliophily ⓘ: 4

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image #1 of Cypripedium acaule© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #2 of Cypripedium acaule© Will Stuart | Original Image ⭷
image #3 of Cypripedium acaule© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #4 of Cypripedium acaule© Alan Cressler: Cypripedium acaule, Pisgah National Forest, Transylvania County, North Carolina 2 by Alan Cressler source | Original Image ⭷
image #5 of Cypripedium acaule© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #6 of Cypripedium acaule© Scott Ward | Original Image ⭷
image #7 of Cypripedium acaule© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #8 of Cypripedium acaule© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #10 of Cypripedium acaule© Alan Cressler: cypripedium acaule, hedden creek gorge, chattahoochee national forest, rabun county, georgia 1 by Alan Cressler source | Original Image ⭷
image #11 of Cypripedium acaule© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #13 of Cypripedium acaule© Alan Cressler: Cypripedium acaule, Wolfpen Ridge, Brasstown Wilderness, Chattahoochee National Forest, Union County, Georgia 2 by Alan Cressler source | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Erect perennial of dry to moist, acid forests and woodlands, often under pine, other conifers or oaks, and sometimes forming extensive colonies.

Stems: Stem consists of a hairy, leafless flowering stalk from the center of a small rosette of leaves.

Leaves: Leaves basal (usually 2), erect, sessile, elliptic to oblong, to 12 in. long, with raised parallel veins and hairy.

Inforescence:

Flowers: Flower solitary, with a single green bract curving over it, at top of scape; pink; to 2 1/2 in. long; consisting of a pouch-shaped, lower lip-petal (the pink "ladys slipper") and 2 twisted, narrow, reddish-green petals to each side.

Fruits: Fruit a ribbed, ellipsoid capsule.

Comments:

Height: 6-20 in.

plant sale text:

bloom table text:

description: Erect perennial of dry to moist, acid forests and woodlands, often under pine, other conifers or oaks, and sometimes forming extensive colonies.

stems: Stem consists of a hairy, leafless flowering stalk from the center of a small rosette of leaves.

leaves: Leaves basal (usually 2), erect, sessile, elliptic to oblong, to 12 in. long, with raised parallel veins and hairy.

inflorescence:

flowers: Flower solitary, with a single green bract curving over it, at top of scape; pink; to 2 1/2 in. long; consisting of a pouch-shaped, lower lip-petal (the pink "ladys slipper") and 2 twisted, narrow, reddish-green petals to each side.

fruits: Fruit a ribbed, ellipsoid capsule.

comments:

cultural notes:

germination code:

native range: