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Penstemon digitalis Nutt. ex Sims  
Family: Plantaginaceae
Foxglove Beardtongue, more...talus slope penstemon
Penstemon digitalis image
Paul Rothrock
  • Gleason & Cronquist
  • Indiana Flora
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Vascular plants of NE US and adjacent Canada
Stems to 1.5 m, glabrous and shining, often glaucous or purplish, varying to finely puberulent; cauline lvs narrowly oblong or lance-oblong to narrowly triangular, the larger 10-15 cm, glabrous or finely puberulent (especially along the midvein) beneath; infl 1-3 dm, with erect or strongly ascending branches, often glandular; cal 3-7 mm at anthesis; cor 1.5-3 cm, white or very faintly suffused with violet, usually marked with purple lines inside, the tube abruptly and strongly dilated into a wide throat; anthers pubescent or sometimes glabrous; 2n=96. Moist open woods and prairies; N.S. and Me. to Minn. and S.D., s. to Va., Ala., and Tex. May-July. (P. alluviorum and P. deamii, with relatively small fls and often puberulent stems)

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

©The New York Botanical Garden. All rights reserved. Used by permission.
From Flora of Indiana (1940) by Charles C. Deam
This species is somewhat frequent throughout the state in both moist and dry soils in various habitats. It often forms large colonies, especially in fallow fields in the Illinoian drift area where it is most frequent.

……

Indiana Coefficient of Conservatism: C = 4

Wetland Indicator Status: FAC

Penstemon digitalis
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Paul Rothrock
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Paul Rothrock
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Paul Rothrock
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William Thomas
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Richard Hull
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Richard Hull
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Paul Rothrock
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