This member of the Lamiaceae family was given this name by Nicholas Edward Brown in 1894. It is found in most of Africa, growing in a slightly rich and well drained soil with some water and some sun. The tubers can grow to five centimetres in diameter and 30 centimetres long. The plant will grow to 90 centimetres height and bear bright yellow flowers.
The genera name from the Greek plektron; 'spur' and anthos; 'flower', referring to the spurred flowers. The species name means 'edible' for the potato-like roots. Plants by Tracy Mapfumo, Pza.sanbi.org.

