Penstemon gracilis
Lilac-Flowered Beardtongue
Inflorescence
Junction of Highways #47 and #29
16-June-2006Note the verticillaster, composed of the two opposite cymes.
Gracilis: Answers to key questions in Budd's Flora and Flora of Alberta leading to this species.
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Penstemon: Answers to key questions in Budd's Flora (BF) and Flora of Alberta (FOA) leading to this genus.
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Scrophulariaceae: Answers to key questions in Budd's Flora (BF) leading to this family.
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