Penstemon tenuiflorus Pennell

  • Authority

    Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

  • Family

    Scrophulariaceae

  • Scientific Name

    Penstemon tenuiflorus Pennell

  • Description

    Species Description - Much like no. 4 [Penstemon hirsutus (L.) Willd.]; stems usually solitary, glabrous below, finely puberulent in the infl; lvs entire to obscurely denticulate; cal 2–4 mm at anthesis, less than half as long as the fr; cor white throughout, evidently flaring in age. Dry calcareous soil; Ky. to Ala.

  • Common Names

    Kentucky beard-tongue