[The Orchid Family East of the Cascade Mts.]
Lady Slipper Orchids East of the Cascade Mts.

The Genus Cyprepedium

Clustered Lady's Slipper
1. Lesser Yellow Lady's Slipper Cypripedium parviflorum (formerly C. calceolus): The several leaves are alternately arranged on the stem. The 1-3 flowers are are more spread out. The lip isyellow with purplish dots around the opening to the bowl.

2. Clustered Lady's Slipper Cypripedium fasciculatum: Leaves generally 2, almost opposite. The 2-4 flowers are clustered and greenish-yellow to purplish tinged.

3. Mounatin Lady's Slipper Cypripedium montanum: The several leaves are alternately arranged on the stem. The 1-3 flowers are are more spread out. The lip is white to purplish tinged without purplish dots.

Paul Slichter