Orchidaceae
Sparrow's-egg lady's-slipper
Cypripedium passerinum
- Family
- Orchidaceae
- Genus
- Cypripedium
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Common names
By language (3)
- English
- Sparrow's-egg lady's-slipper, Sparrowegg lady's slipper, Northern lady's-slipper
- French
- Cypripède oeuf-de-passereau
- German
- Sperlingsei-Frauenschuh
Synonyms
- Cypripedium passerinum f. minganense (Vict.) P.M.Br.
- Cypripedium passerinum var. minganense Vict.
- Cypripedium passerinum var. passerinum
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Alaska: native, Canada: native, Lower 48 states: native
Photos
Photo: Jason Hollinger, CC BY 2.0, from Wikimedia Commons 
Photo: Jason Hollinger, CC BY 2.0, from Wikimedia Commons
More in Cypripedium
- Lady's-slipper orchidCypripedium calceolusOrchidaceae
- Large-flowered cypripediumCypripedium macranthosOrchidaceae
- Spotted Lady's slipperCypripedium guttatumOrchidaceae
- Showy lady slipperCypripedium reginaeOrchidaceae
- Pink lady's slipperCypripedium acauleOrchidaceae
- 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
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.