Quercus

Slender Flower Beard Tongue

Penstemon tenuiflorus

Native status unresolved in Kentucky

Ecological relationships

Who uses this plant?

8CaterpillarsGenus host records with ranges including KY

Genus host records with ranges including KY · Penstemon

  • Caloptilia murtfeldtellaPoison Ivy Leafminer
  • Elaphria chalcedoniaChalcedony Midget
  • Endothenia hebesanaVerbena Bud Moth
  • Euphydryas phaetonThe Baltimore, The Black Checker
  • Junonia coeniaCommon Buckeye
  • Pyrrhia ciliscaAmerican Bordered Sallow, Noble Sun Moth
  • Pyrrhia exprimensPurple-Lined Sallow, Purple-Lined Sun Moth
  • Sparganothis sulfureanaSparganothis Fruitworm Moth, Sulfur Leafroller, False Yellow-Head
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
—BeesSoutheastern regional records
2Specialist beesPollen specialists
2BirdsRecorded genus food-resource interactions; not a state feeding claim

Recorded genus food-resource interactions; not a state feeding claim · Penstemon

  • Meleagris gallopavoWild Turkey
  • Tympanuchus pallidicinctusLesser Prairie-Chicken
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
Growing and identification

Plant details

Family
Plantaginaceae
Flower color
White or pink

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
Also known as

Eastern White Flower Beard Tongue; Kentucky Beard Tongue; Limestone Beard Tongue; Plateau Beard Tongue; Slender Flower Beard Tongue

Conservation status

Kentucky rankS4?
Global rankNot available
KY statusNot verified
Federal statusNot verified

Conservation source

In your garden

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Sources