Canada's Plant Hardiness Site

Orchidaceae orchid family
Cypripedium arietinum R.Br.
En: ramshead ladyslipper;
Fr: cypripede tete-de-belier

• [=Arietinum americanum L.C.Beck]
• [=Criosanthes arietina (R.Br.) House]
• [=Criosanthes borealis Raf.]
• [=Criosanthes parviflora Raf.]
• [=Criosanthes plectrochilus Franch.]
• [=Cypripedium arietinum R.Br. forma albiflorum House]
• [=Cypripedium arietinum R.Br. forma biflorum P.M.Br.]