Penstemon

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{{Taxobox | color = lightgreen | name = Penstemon | image = Penstemon palmeri closeup-400px.jpg | image_width = 250px | image_caption = Balloon Flower (Penstemon palmeri) | regnum = Plantae | divisio = Magnoliophyta | classis = Magnoliopsida | ordo = Lamiales | familia = Plantaginaceae | genus = Penstemon | genus_authority = Mitch. | subdivision_ranks = Species | subdivision = See text. }} Image:Penstemon corfertus0.jpg Image:Penstemon barbartus0.jpg Image:Penstemon bridgesii2.jpg Image:Penstemon fruticosus0.jpg Image:Penstemon digitalis0.jpg Image:Penstemon pinifolius0.jpg Image:Penstemon speciosus1.jpg Image:Penstemon hirsutus (pubescens)0.jpg Image:Penstemon.hirsutus11.jpg Image:Penstemon campanulatus0.jpg Image:Penstemon gracilis1.jpg Image:Penstemon serrulatus0.jpg

Penstemon is a large genus of North American (and East Asian) plants traditionally placed in the Scrophulariaceae family. Due to new genetic research it has now been placed in the vastly expanded family Plantaginaceae.

They have opposite leaves, two-lipped flowers and seed capsules. They are also called beardtongues, after the general appearance of an open mouth with a fuzzy tongue protruding.

The one Asiatic species previously treated in Penstemon is now considered a separate genus. This leaves Penstemon a mostly Nearctic genus, with a few Neotropical species. Penstemons are ideal for xeriscape landscaping, as many thrive in desert regions.

Species

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