Torrey, J., Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean in 1853-6 (1856)
Pacif. Railr. Rep.
vol. 4 (1853-1856)
t.
8
name cited:
Opuntia tortispina Engelm. & J.M. Bigelow
name recognized:
Opuntia macrorhiza Engelm.
drawing:
P. Roetter
family: Cactaceae
subfamily: Opuntioideae
epithet cited:
tortispinus,-a,-um
epithet recognized:
macrorhizus,-a,-um
Illustration contributed by:
San Francisco Public Library, San Francisco, California, U.S.A.
link to this page:
https://www.plantillustrations.org/illustration.php?id_illustration=71780
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synonyms:
