Ram's Head Lady's Slipper
A single flower on each stem having divided lateral sepals and a unique hairy pouch shaped like an funnel. The purplish-red flower has light venation and is white at the lip.The Ram's Head Lady's Slipper (Cypripedium arietinum) at the Marlborough Forest, Ontario, Canada. Conservation Status: vulnerable (N3N4) in Canada (NatureServe).
''Cypripedium arietinum'', the ram's head lady's slipper, is a rare orchid that grows in lightly shaded areas with calcareous soils. It is characteristic of the alvars around the Great Lakes in North America, as well as in New England. In Canada, it is found from Quebec to Saskatchewan, plus an isolated population in Nova Scotia, where it grows on gypsum based soils, 330 km away from the nearest population in Maine.