The natural distribution of Pseudolithos cubiformis is in north-eastern Somalia.
This strange looking succulent from the Milkweed family has the largest flowers in the genus.
Pseudolithos cubiformis, like others in the genus, are quite difficult in cultivation. Careful watering and protection against frost is essential.
The plants were first described by Peter René Oscar Bally in 1965.
Synonyms: Lithocaulon cubiforme, Pseudolithos cubiformis.
Pseudolithos cubiformis flowering in cultivation.