L. principis è un cactus unico fornito di lunghi tubercoli azzurri e spine papiraceee e flessibiliche che non assomiglia a nessun altra specie. La pianta (di lenta) crescita ha una grossa radice tuberosa.
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Ferobergia is made by crossing Ferocactus and Leuchtenbergia. Back cross means that a Ferobergia has been pollinated back with a Ferocactus. These hybrids look more like Ferocactus, with short tubercles and hooked spines. They are quite variable.
Ferobergia is a horticultural intergeneric hybrid, made by crossing of a Ferocactus as a female and a Leuchtenbergia principis as a male. These hybrids are very variable, due to the intersection of characters deriving from the parents.
Quite variable, Ferobergia is made by crossing Ferocactus and Leuchtenbergia. Back cross means that a Ferobergia has been pollinated back with a Leuchtembergia. These hybrids look like a compact Leuctenbergia with shorter tubercles and papery spines.
