Note that the remains of the previous year's
capsule can be seen in this photo.
Arietinum: Answers to key questions in Budd's Flora
leading to this species.
lower sepals separate and spreading; NOT
[lower sepals united, usually 2-veined or 2-toothed]
Cypripedium: Answers to key questions in Budd's Flora
and Flora of Alberta leading to this genus.
plants with 2 or more leaves; NOT [plants
with a single (basal) leaf]
flowers large, to 8 cm long; NOT [flowers
lip a large inflated sac or pouch,
moccasin-shaped); NOT [lip concave or flat, not moccasin-shaped]
fertile anthers 2; NOT [fertile anther 1]