Van Houtte, L.B., Flore des serres et des jardin de l’Europe (1845-1880)
Fl. Serres
vol. 5 (1849)
p. 426 (1849)
name cited:
Asclepias douglasii Hook.
name recognized:
Asclepias speciosa Torrey
family: Asclepiadaceae
subfamily: Asclepioideae
tribe: Asclepiadeae
epithet cited:
douglasii
epithet recognized:
speciosus,-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=51617
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synonyms:
