Leuchtenbergia (after Prince Leuchtenberg). Cactaceae. Agave Cactus. Stems in age forming a trunk 2 in. or more in diam., by the shedding of the lower tubercles: tubercles triangular-acuminate, spreading, 2—4 in. long, 1/2 - 3/4 in. wide, with twisted papery spines: flowers funnelform, widely expanded, borne near the apex of young tubercles: fruits gray, ovate-elliptical, 1 in. long, covered with scales and crowned by the persistent fl.; seeds dark brown, minutely tuberculate. — Only 1 species, closely related to Echinocactus, but of remarkably different form. The plant is readily grown in the manner of Echinocactus and Mamillaria.
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}}_NOTOC__{{Plantbox
| name = ''Leuchtenbergia''
| name = ''Leuchtenbergia''
| common_names = <!--- if multiple, list all, if none, leave blank -->
| common_names = <!--- if multiple, list all, if none, leave blank -->