Calyx and Keel, Top
Fairy Hill, 35 km North of Regina on Highway #6
The standard and wings have been removed from this flower. Note there are five calyx lobes, with the upper two united except at the tip where there are two small teeth.
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.