Add to ORKGPenstemon amphorellae Crosswh.Dry, rocky chaparral. Flowers pale blue, shading gradually to deeper tone above
Penstemon spectabilis subsp. subinteger Thurb. ex A.Gray subsp. subinteger Keck, determined by C.C. ...
Penstemon cobaea, petals - irregular. Family Scrophulariaceae, Subclass Asteridae
Penstemon tenuis, flowers (close up). Family Scrophulariaceae, Subclass Asteridae. Origin: Cultivate...
Penstemon davidsonii var. praeteritus Greene var. praeteritus Cronq.Rocky granitic point Plants for...
Penstemon gracilis is a(n) perennial herbaceous, which grows 2 dm to 5 dm in height. This species is...
Penstemon jamesii subsp. breviculus Benth. subsp. breviculus Keckon dry plains below tow
Achimenes nayaritensis L.E.SkogAbundant on moist rocks in the deep barranca; Precipitous mountainsid...
Penstemon grandiflorus is a(n) perennial herbaceous, which grows 5 dm to 9.5 dm in height. This spec...
Penstemon campanulatus subsp. subglandulosus (Cav.) Willd. subsp. subglandulosus (S.S.White) Straw, ...
SIMILAR SPECIES: Most Ohio species of Penstemon are superficially similar, but this species is most ...
Lithospermum parksii I.M.Johnst.Rocky (limestone) hills flowers clear yellow (lemon); root-bark red...
Penstemon gairdneri var. oreganus Hook. var. oreganus A.GraySee D.D.Keck Am. Mid. Nat. 23 5951940 Fo...
Penstemon whippleanus, flowers. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Axinaea mertensioides WurdackScrub forest Shrub 2-5 m., frequent. Petals pink in bud, purple-blue ...
Penstemon palmeri, flowers. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon spectabilis subsp. subinteger Thurb. ex A.Gray subsp. subinteger Keck, determined by C.C. ...
Penstemon cobaea, petals - irregular. Family Scrophulariaceae, Subclass Asteridae
Penstemon tenuis, flowers (close up). Family Scrophulariaceae, Subclass Asteridae. Origin: Cultivate...
Penstemon davidsonii var. praeteritus Greene var. praeteritus Cronq.Rocky granitic point Plants for...
Penstemon gracilis is a(n) perennial herbaceous, which grows 2 dm to 5 dm in height. This species is...
Penstemon jamesii subsp. breviculus Benth. subsp. breviculus Keckon dry plains below tow
Achimenes nayaritensis L.E.SkogAbundant on moist rocks in the deep barranca; Precipitous mountainsid...
Penstemon grandiflorus is a(n) perennial herbaceous, which grows 5 dm to 9.5 dm in height. This spec...
Penstemon campanulatus subsp. subglandulosus (Cav.) Willd. subsp. subglandulosus (S.S.White) Straw, ...
SIMILAR SPECIES: Most Ohio species of Penstemon are superficially similar, but this species is most ...
Lithospermum parksii I.M.Johnst.Rocky (limestone) hills flowers clear yellow (lemon); root-bark red...
Penstemon gairdneri var. oreganus Hook. var. oreganus A.GraySee D.D.Keck Am. Mid. Nat. 23 5951940 Fo...
Penstemon whippleanus, flowers. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Axinaea mertensioides WurdackScrub forest Shrub 2-5 m., frequent. Petals pink in bud, purple-blue ...
Penstemon palmeri, flowers. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon spectabilis subsp. subinteger Thurb. ex A.Gray subsp. subinteger Keck, determined by C.C. ...
Penstemon cobaea, petals - irregular. Family Scrophulariaceae, Subclass Asteridae
Penstemon tenuis, flowers (close up). Family Scrophulariaceae, Subclass Asteridae. Origin: Cultivate...