Summary description from Wikipedia:

Penstemon glaber in languages:

English

Sawsepal Penstemon

English

Sawsepal Beardtongue

Russian

Пенстемон гладкий

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Parent Taxon

• Penstemon

Sibling Taxa

• Penstemon absarokensis
• Penstemon ammophilus
• Penstemon caryi
• Penstemon comarrhenus
• Penstemon compactus
• Penstemon cyananthus
• Penstemon cyaneus
• Penstemon cyanocaulis
• Penstemon deaveri
• Penstemon debilis
• Penstemon fremontii
• Penstemon galloensis
• Penstemon gibbensii
• Penstemon glaber
• Penstemon hallii
• Penstemon idahoensis
• Penstemon laevis
• Penstemon leiophyllus
• Penstemon lemhiensis
• Penstemon longiflorus
• Penstemon mensarum
• Penstemon moriahensis
• Penstemon navajoa
• Penstemon neomexicanus
• Penstemon nudiflorus
• Penstemon pahutensis
• Penstemon parvus
• Penstemon payettensis
• Penstemon paysoniorum
• Penstemon penlandii
• Penstemon pennellianus
• Penstemon perpulcher
• Penstemon pseudoputus
• Penstemon putus
• Penstemon saxosorum
• Penstemon scariosus
• Penstemon speciosus
• Penstemon strictiformis
• Penstemon strictus
• Penstemon subglaber
• Penstemon tidestromii
• Penstemon uintahensis
• Penstemon virgatus
• Penstemon wardii

Child Taxa

• Penstemon glaber alpinus
• Penstemon glaber brandegeei
• Penstemon glaber glaber

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