Flower Cut Open
Centre Block, Cypress Hills Interprovincial Park
The upper parts of the calyx and corolla have been removed to reveal the interior of the flower. There is one pair of shorter stamens and another pair of longer stamens. This stamen arrangement is called didynamous.
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.