Walcott, M.V., North American wild flowers (1925-1927)
N. Amer. Wild Fl.
vol. 5
t.
394
name cited:
Penstemon eatonii A. Gray
name recognized:
Penstemon eatonii A. Gray
family: Scrophulariaceae
subfamily: Antirrhinoideae
tribe: Cheloneae
epithet:
eatonii
Illustration contributed by:
Smithsonian Institute, Washington, D.C., U.S.A.
link to this page:
https://www.plantillustrations.org/illustration.php?id_illustration=176003
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synonyms:
