Tag Archives: Penstemon arkansanus

Know Your Natives – Arkansas Beardtongue

Arkansas Beardtongue (Penstemon arkansanus) of the Plantain (Plantaginaceae) family, formerly of the Figwort (Scrophulariaceae) family, has showy white tubular flowers with a fifth stamen that is sterile, typically bearded (pubescent), and tonguelike in form, a hallmark of this large genus. … Continue reading

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