click thumbnail(s) to enlarge
C.F. Förster, T. Rümpler, Handb. Cacteenk., ed. 2, vol. 2 : t. 85 (1886) [79]
Illustration contributed by:
Missouri Botanical Garden, St. Louis, U.S.A.
C.F. Förster, T. Rümpler, Handb. Cacteenk., ed. 2, vol. 2 : t. 85 (1886)