Penstemon canescens (Britton) Britton
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Scrophulariaceae
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Scientific Name
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Description
Species Description - Stems erect, often clustered, 4–8 dm, finely pubescent or hirsutulous with spreading hairs ca 0.5–1 mm, or occasionally only with minute, ± reflexed hairs; basal lvs broadly elliptic or ovate; cauline lvs mostly lance-ovate or ovate, sometimes narrower, usually sharply serrate, ± pubescent on both sides; cal 2–6.5 mm at anthesis; cor 2–3 cm, pale purple outside, white with fine violet lines inside, the throat moderately inflated. Cliffs and woods; Pa. to e. Tenn. and n. Ala., chiefly in the mts., but also w. to s. Ind. May, June. (P. brevisepalus)
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Common Names
Appalachian beard-tongue