Explore 23,508 Species
San Gabriel beardtongue
Penstemon labrosus (A.Gray) Mast. ex Hook.fil.
San Gabriel beardtongue (Penstemon labrosus) is a perennial penstemon native to …
Mountain Blue Penstemon
Penstemon laetus A.Gray
Penstemon laetus, commonly mountain blue penstemon, is a perennial herb native t…
eastern smooth beardtongue
Penstemon laevigatus Aiton
Penstemon laevigatus (eastern smooth beardtongue) is a summer-flowering Plantagi…
Toadflax Beardtongue
Penstemon linarioides A.Gray
Penstemon linarioides is a Penstemon species with several common names, native t…
Manyflower Beardtongue
Penstemon multiflorus (Benth.) Chapm. ex Small
Penstemon multiflorus is a perennial flowering plant native to parts of the sout…
Scarlet Beardtongue
Penstemon murrayanus Hook.
Penstemon murrayanus, or scarlet beardtongue, is a flowering plant endemic to th…
Mountain Pride
Penstemon newberryi A.Gray
Penstemon newberryi is a low-growing native North American penstemon with bright…
pale beardtongue
Penstemon pallidus Small
Penstemon pallidus, pale beardtongue, is a flower native to eastern US and intro…
Palmer's penstemon
Penstemon palmeri A.Gray
Penstemon palmeri (Palmer's penstemon) is a fragrant, drought-tolerant evergreen…
Parry's beardtongue
Penstemon parryi A.Gray
Penstemon parryi is a Sonoran Desert native perennial wildflower popular in xeri…
Small-flower Beardtongue
Penstemon procerus Douglas ex Graham
Penstemon procerus, or littleflower penstemon, is a variable plant with a cultiv…
Chelan Penstemon
Penstemon pruinosus Douglas
Penstemon pruinosus is a small blue-flowered beardtongue native to arid open hab…
desert penstemon
Penstemon pseudospectabilis M.E.Jones
Penstemon pseudospectabilis, also called desert penstemon, is a desert-native pe…
Richardson's Beardtongue
Penstemon richardsonii Douglas
Penstemon richardsonii is a shrubby-based perennial flowering plant native to dr…
Bridges' penstemon
Penstemon rostriflorus Kellogg
Penstemon rostriflorus is a shrubby scarlet-flowered penstemon native to southwe…
Cliff Beardtongue
Penstemon rupicola (Piper) Howell
Penstemon rupicola, commonly cliff beardtongue or rock penstemon, is a low mat-f…
Rydberg's Beardtongue
Penstemon rydbergii A.Nelson
Penstemon rydbergii, or meadow penstemon, is a herbaceous North American penstem…
Sidebells Penstemon
Penstemon secundiflorus Benth.
This is a full description of the herbaceous flowering plant Penstemon secundifl…
Cascade Beardtongue
Penstemon serrulatus Menzies
Penstemon serrulatus is a low-elevation Pacific Northwest penstemon with blue to…
Royal Beardtongue
Penstemon speciosus Douglas
Penstemon speciosus Douglas is a perennial herb native to western US mountains t…
Showy Penstemon
Penstemon spectabilis Thurb. ex Torr. & A.Gray
Penstemon spectabilis is a perennial herb native to the mountains of southern Ca…
Rocky Mountain beardtongue
Penstemon strictus Benth.
Rocky Mountain penstemon (Penstemon strictus Benth.) is a perennial ornamental p…
Eastern whiteflower beardtongue
Penstemon tenuiflorus Pennell
Eastern whiteflower beardtongue (Penstemon tenuiflorus) is a flowering plant in …
Sharpsepal Beardtongue
Penstemon tenuis Small
Penstemon tenuis Small is a North American perennial herb with opposite leaves a…
