Cypripedium parviflorum Salisb.  
Family: Orchidaceae
yellow lady's-slipper
Cypripedium parviflorum image
Christopher Noll  
Etymology: Cypripedium: incorrect Latinization of ancient Greek words meaning "Venus's shoe"
Plants: erect, perennial forb
Leaves: mostly surrounding the stem, oval
Flowers: 6-parted; pouch yellow, often with purple veins; sepals usually twisted, green-yellow to purple-brown; inflorescence of 1 or 2 flowers; blooms May-June usually twisted, green-yellow to purple-brown; arranged in a 1-or 2- flowered cluster; blooms May-June
Conservation Status: Native
Cypripedium parviflorum image
Mark Mittelstadt  
Cypripedium parviflorum image
Emmet J. Judziewicz  
Cypripedium parviflorum image
William S. Alverson  
Cypripedium parviflorum image
Kenneth J. Sytsma