Upright Blue Beardtongue (Penstemon virgatus)
Description
Penstemon virgatus is a grobladsv-xtart described by Asa Gray . Penstemon virgatus included in the genus penstemoner and family Plantain . No subspecies are listed in the Catalog of Life .
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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