This member of the Euphorbiaceae family was described by Bruce James Hargreaves in 1981. It is found in Malawi and Zambia, growing in a well drained soil with some water and some to lots of sun. The caudex can grow to five centimetres in diameter, the plant to 24 centimetres height. The flowers are green and red.
The genera name from the Greek monos; 'one' and -aden; 'gland', referring to the solitary gland.
The species name after the Mafinga Hills in Malawi.

