Britton, N.L., Rose, J.N., Cactaceae (1919-1923)
Cact.
vol. 1
(1919)
t.
15
(1919)
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Opuntia macrorhiza Engelm.
name cited:
Opuntia tortispina Engelm. & J.M. Bigelow
name recognized:
Opuntia macrorhiza Engelm.
drawing:
M.E. Eaton
family:
Cactaceaesubfamily: Opuntioideae
epithet cited:
tortispinus,-a,-um
epithet recognized:
macrorhizus,-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=50958
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synonyms: