Revue horticole, sér. 4 (1852-1974)
Rev. Hort. (Paris), ser. 4
name cited:
Penstemon venustus Douglas
name recognized:
Penstemon venustus Douglas
drawing:
J. Endes
family: Scrophulariaceae
subfamily: Antirrhinoideae
tribe: Cheloneae
epithet:
venustus,-a,-um
Illustration contributed by:
Société Nationale d’Horticulture de France, Paris, France
link to this page:
https://www.plantillustrations.org/illustration.php?id_illustration=315469
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synonyms:
