This member of the Euphorbiaceae family was described by Otto Stapf in 1900.
It is found in north-eastern Tanzania, Zaïre and Zambia, growing in a well drained soil with some water and some sun. The caudex can grow to twelve centimetres in diameter, the stems up to 30 centimetres height. The flowers are white and green.
The genera name from the Greek monos; 'one' and -aden; 'gland', referring to the solitary gland.
The species name means 'spiny leaves'.

