Albin Pax, 1897
South-Eastern Sudan, Southern Ethiopia, Northern Kenya,
This member of the
Euphorbiaceae family was described by Ferdinand Albin Pax in
It is found in south-eastern Sudan, southern Ethiopia, Somalia, and northern
Kenya, growing in a well drained
soil with little to some water and lots of sun. The stem can grow to
centimetres in diameter, the whole plant to ten centimetres height.
The flowers are white.
The genera name; Euphorbia
dates back to the first century BC, where King Juba II of
Mauritania used it in a reference to his doctor, Euphorbos, and that
name was kept as a generic name by Carl von Linnaeus. The species name
is named after Domenico Riva, 1856-1895, an Italian explorer and