Explore 62,425 Species
Long-sepal Beardtongue
Penstemon calycosus Small
Penstemon calycosus Small is a long-lived herbaceous perennial penstemon native …
scarlet bugler
Penstemon centranthifolius (Benth.) Benth.
Penstemon centranthifolius is a red-flowered herbaceous beardtongue native to Ca…
Cleveland's Beardtongue
Penstemon clevelandii A.Gray
Penstemon clevelandii is an herbaceous flowering plant native to southern Califo…
cobaea beardtongue
Penstemon cobaea Nutt.
Penstemon cobaea Nutt. is a large-flowered North American beardtongue species ad…
Yellow Beardtongue
Penstemon confertus Douglas
Penstemon confertus Douglas is a yellow-flowered tufted perennial found in open …
Davidson's Penstemon
Penstemon davidsonii Greene
Penstemon davidsonii is a low mat-forming evergreen subshrub native to western N…
Hot Rock Penstemon
Penstemon deustus Douglas
Penstemon deustus Douglas is a western North American subshrub used in native la…
foxglove beardtongue
Penstemon digitalis Nutt.
Penstemon digitalis Nutt. is a North American bearded tongue plant popular in cu…
firecracker penstemon
Penstemon eatonii A.Gray
Penstemon eatonii, or firecracker penstemon, is a short-lived perennial wildflow…
Eggleaf Beardtongue
Penstemon ellipticus Coult. & Fisher
Penstemon ellipticus, or rocky ledge penstemon, is a low-growing purple-flowered…
Crested-tongue Beardtongue
Penstemon eriantherus Pursh
Penstemon eriantherus is a perennial flowering herb native to western North Amer…
Panamint Beardtongue
Penstemon floridus Brandegee
Penstemon floridus is a herbaceous flowering beardtongue native to deserts of Ne…
Bush Penstemon
Penstemon fruticosus (Pursh) Greene
Penstemon fruticosus is a small semi-evergreen subshrub native to northwestern N…
Gairdner's Beardtongue
Penstemon gairdneri Hook.
Penstemon gairdneri Hook. is a deciduous subshrub native to dry open habitats ea…
Gentian Beardtongue
Penstemon gentianoides (Kunth) Poir.
Penstemon gentianoides is a shrubby perennial herb native to Mexico and Central …
Sawsepal Beardtongue
Penstemon glaber Pursh
Penstemon glaber, or sawsepal penstemon, is a herbaceous flowering penstemon nat…
Slender Beardtongue
Penstemon gracilentus A.Gray
Penstemon gracilentus, or slender penstemon, is a long-lived perennial herb nati…
Lilac Penstemon
Penstemon gracilis Nutt.
Penstemon gracilis Nutt. (slender penstemon) is a perennial flowering plant nati…
Grinnell's Beardtongue
Penstemon grinnellii Eastw.
Grinnell's beardtongue (Penstemon grinnellii Eastw.) is a endemic California per…
Hall's Beardtongue
Penstemon hallii A.Gray
Penstemon hallii, or Hall's penstemon, is a small alpine penstemon endemic to Co…
Sierra Penstemon
Penstemon heterodoxus A.Gray
Penstemon heterodoxus A.Gray is a perennial herb with clustered dark purple-blue…
Bunchleaf Penstemon
Penstemon heterophyllus Lindl.
Penstemon heterophyllus is a perennial herb cultivated as an ornamental for low-…
hairy beardtongue
Penstemon hirsutus (L.) Willd.
Penstemon hirsutus, or hairy beard-tongue, is a perennial flowering plant native…
Low Beardtongue
Penstemon humilis Nutt. ex A.Gray
Penstemon humilis, low beardtongue, is a flowering subshrub or perennial herb na…
