Contains 3 accepted taxa overall.

Characteristics
Penstemon Schmidel
BEARDTONGUE
Classification
LAMIALES
Penstemon
Citation
PENSTEMON Schmidel, Icon. Pl., ed. Keller t. 2. 1763.
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TYPE: Penstemon pubescens Aiton (Chelone pentstemon Linnaeus) Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 3: 182. 1913.
Species
Scientific Name Common Name Herbarium Specimens Status Photos
Penstemon australis EUSTIS LAKE BEARDTONGUE Native FACU (NWPL)
Penstemon laevigatus EASTERN SMOOTH BEARDTONGUE Native FAC (NWPL)
Penstemon multiflorus MANYFLOWER BEARDTONGUE Native
[Family identification key]
1.  Stem and sometimes leaves stipitate-glandular
1.  Stem and leaves eglandular
2
2.  Leaves usually toothed; corolla throat internally with pinkish colored lines; pollen sacs opposite or divergent, navicular, subexplanate, or explanate, dehiscing completely
2.  Leaves entire to obscurely undulate-crenate; corolla throat internally lacking darkened or colored lines; pollen sacs parallel, saccate, dehiscing incompletely, distal 2/3rd indehiscent
Genus Synonyms
Synonym Full Citation Basionym Type
Apentostera Apentostera Rafinesque, New Fl. 2: 72. 1837 ("1836"). TYPE: Non designatus.
Bartramia Bartramia Salisbury, Prodr. Stirp. Chap. Allerton 99. 1796, non Linnaeus 1753 (nom. rej.), nec Hedwig 1801 (nom. cons.). TYPE: Bartramia pulchella Salisbury, nom. illegit. (Penstemon laevigatus Aiton) Lectotypified by Pennell, Acad. Nat. Sci. Philadelphia Monogr. 1: 197. 1935.
Dasanthera Dasanthera Rafinesque, J. Phys. Chim. Hist. Nat. Arts 89: 99. 1819. TYPE: Gerardia fruticosa Pursh
Elmigera Elmigera Reichenbach ex Spach, Hist. Nat. Vég. 9: 299. 1840. TYPE: Elmigera barbata (Cavanilles) Reichenbach ex Spach (Chelone barbata Cavanilles)
Lepteiris Lepteiris Rafinesque, New Fl. 2: 73. 1837 ("1836"). TYPE: Lepteiris parviflora Rafinesque, nom. illegit. (Penstemon micranthus Nuttall)