Orchidaceae
Pink lady's slipper
Cypripedium acaule
- Family
- Orchidaceae
- Genus
- Cypripedium
Pet and kid safety: not checked yet. Check pet-safe plants
Is yours looking unwell? Scan your plant — free
Common names
By language (10)
- arz
- سيبريديوم اكولى
- Azerbaijani
- Gövdəsiz zöhəçiçəyi
- Chinese
- 粉紅杓蘭, 粉红杓兰
- Czech
- Střevíčník bezlodyžný
- English
- Pink lady's slipper, Moccasin flower
- French
- Cypripède acaule, Cypripède rose, Sabot de la Vierge
- German
- Stängelloser Frauenschuh
- Persian
- کیپریپدیوم اکوله
- Russian
- Башмачок бесстебельный
- Spanish
- Sandalias de la Virgen
Synonyms
- Calceolus hirsutus (Mill.) Nieuwl.
- Cypripedium acaule f. acaule
- Cypripedium acaule f. albiflora E.L.Rand & Redfield
- Cypripedium acaule f. biflorum P.M.Br.
- Cypripedium acaule f. lancifolia House
- Cypripedium catesbianum Raf.
- Cypripedium hirsutum Mill.
- Cypripedium humile Salisb.
- Cypripedium vittatum var. planum Raf.
- Fissipes acaulis (Aiton) Small
- Fissipes acaulis f. lancifolia House
- Fissipes hirsuta (Mill.) Farw.
- Fissipes hirsuta f. albiflora (E.L.Rand & Redfield) Farw.
Flowers
- In flower
- May to June (from 23,092 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Canada: native, Lower 48 states: native, St. Pierre and Miquelon: native
Photos
FlowerPhoto: Michael J. Papay, CC BY 4.0, from iNaturalist 
FlowerPhoto: Shirley Zundell, CC BY 4.0, from iNaturalist 
FlowerPhoto: Henrique Pacheco, CC BY 4.0, from iNaturalist 
FlowerPhoto: Bonnie Isaac, CC0, from iNaturalist 
FruitPhoto: Susan Elliott, CC BY 4.0, from iNaturalist 
Photo: Sasata, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons 
Photo: Bonnie Isaac, CC0, from Wikimedia Commons 
Photo: Rose Zappa, CC BY 4.0, from iNaturalist
More in Cypripedium
- Lady's-slipper orchidCypripedium calceolusOrchidaceae
- Large-flowered cypripediumCypripedium macranthosOrchidaceae
- Spotted Lady's slipperCypripedium guttatumOrchidaceae
- Showy lady slipperCypripedium reginaeOrchidaceae
- Korean ladyslipperCypripedium japonicumOrchidaceae
- Tibetian cypripediumCypripedium tibeticumOrchidaceae
- Henry's cypripediumCypripedium henryiOrchidaceae
- Mountain lady's slipperCypripedium montanumOrchidaceae
- Lesser yellow lady's slipperCypripedium parviflorumOrchidaceae
- White lady's-slipperCypripedium candidumOrchidaceae
- Yellow cypripediumCypripedium flavumOrchidaceae
- Ram's head lady's slipperCypripedium arietinumOrchidaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.