Parsons, M.E.,
wild flowers of California; their names, haunts, and habits
(1897)
Wild Fl. Calif.
(1906)
p. 315
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Penstemon heterophyllus Lindl.
name cited:
Penstemon heterophyllus Lindl.
name recognized:
Penstemon heterophyllus Lindl.
drawing:
M.W. Buck
family:
Scrophulariaceae
subfamily: Antirrhinoideae
tribe: Cheloneae
epithet:
heterophyllus,-a,-um
Illustration contributed by:
Missouri Botanical Garden, St. Louis, U.S.A.
link to this page:
http://www.plantillustrations.org/illustration.php?id_illustration=158229
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