Curtis, W., Botanical Magazine (1787-1948)
Bot. Mag.
vol. 65 (1839)
t.
3645
name cited:
Penstemon diffusus Douglas
name recognized:
Penstemon serrulatus Menzies
drawing:
W.H. Fitch
engraving/lithography:
Swan
family: Scrophulariaceae
subfamily: Antirrhinoideae
tribe: Cheloneae
epithet:
diffusus,-a,-um
Illustration contributed by:
Missouri Botanical Garden, St. Louis, U.S.A.
link to this page:
https://www.plantillustrations.org/illustration.php?id_illustration=60
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synonyms:
