Fairy Hill, 35 km North of Regina on Highway #6
The filaments are visible at the base of the keel. Note the keel attaches to the receptacle by two thin, filament-like structures. Only one of these is visible in this photo.
Thermopsis: Answers to key questions in Budd's Flora and Flora of Alberta leading to this genus.
Leguminosae: Answers to key questions in Budd's Flora leading to this family.