Heller'S Beardtongue (Penstemon triflorus)
Description
Penstemon triflorus, Heller's beardtongue or Heller's penstemon, is a penstemon notable for its showy, purple blossoms.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum: Magnoliophyta
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Class: Magnoliopsida
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Order: Lamiales
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Family: Plantaginaceae
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Genus: Penstemon
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