This member of the Euphorbiaceae family was given this name by Ferdinand Albin Pax in 1931. It is found in northern Tanzania, growing in a well drained soil with some water and some to lots of sun. The caudex can grow to fifteen centimetres in diameter, the stems from 90 to 130 centimetres height. The flowers are from pink to red.
The genera name from the Greek monos; 'one' and -aden; 'gland', referring to the solitary gland.
The species name means 'scarlet'. This is a winter-grower.

