Flower Front Showing Staminode
Centre Block, Cypress Hills Interprovincial Park
The corolla terminates in a three-lobed lower lip and a two-lobed upper lip. There are four fertile stamens, one infertile stamen (staminode), and one style which is not visible in this photo. The staminode is bearded on the distal end with yellow hairs.
Note the key to the species in Budd's Flora requires stems erect or nearly so; NOT [plants decumbent to ascending]. In fact, the stems of this species can be erect, ascending, or decumbent. The rest of the answers to the key questions appear below.
Procerus: Answers to key questions in Budd's Flora (BF) and Flora of Alberta (FOA) leading to this species.
Penstemon: Answers to key questions in Budd's Flora (BF) and Flora of Alberta (FOA) leading to this genus.
Scrophulariaceae: Answers to key questions in Budd's Flora leading to this family.