Walcott, M.V.,
North American wild flowers
(1925-1927)
N. Amer. Wild Fl.
vol. 5
t.
386
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Penstemon wrightii Hook.
name cited:
Penstemon wrightii Hook.
name recognized:
Penstemon wrightii Hook.
family:
Scrophulariaceae
subfamily: Antirrhinoideae
tribe: Cheloneae
epithet:
wrightii
Illustration contributed by:
Smithsonian Institute, Washington, D.C., U.S.A.
link to this page:
http://www.plantillustrations.org/illustration.php?id_illustration=175995
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