This member of the Euphorbiaceae family was given this name by Nicholas Edward Brown in 1909. It is found in Kenya, growing in a well drained soil with some water and some sun. The caudex can grow to nine centimetres in diameter, the stem up to 80 centimetres height. The flowers are green/white and light orange.
The genera name from the Greek monos; 'one' and -aden; 'gland', referring to the solitary gland.
The species name means 'plain' or 'unadorned'.

