Cypripedium reginae
 
Showy Lady's-Slipper

Flower Back in Ground, Annotated

Near Junction of Manitoba Highways #10 and #77
25-June-2015

The two lower sepals are united to form a single synsepal.

bullet

Reginae: Answers to key questions in Budd's Flora leading to this species. 
bullet

flowering stem leafy, with 2-6 leaves along the stem; NOT [flowering stem a naked scape, with two leaves basal, subopposite]

bullet

lower sepals united; NOT [lower sepals separate and spreading]

bullet

lower sepals usually 2-veined or 2-toothed

bullet

sepals 25-40 mm long

bullet

sepals white; NOT [sepals greenish, brownish, or yellowish]

bullet

petals 25-40 mm long

bullet

petals white

bullet

lip white with rose purple streaks

 

bullet

Cypripedium: Answers to key questions in Budd's Flora and Flora of Alberta leading to this genus. 
bullet

plants with 2 or more leaves; NOT [plants with a single (basal) leaf]

bullet

flowers large, to 8 cm long; NOT [flowers mostly smaller]

bullet

lip a large inflated sac or pouch, mocassin-shaped; NOT [lip concave or flat, not mocassin-shaped]

bullet

fertile anthers 2; NOT [fertile anther 1]