This member of the Balsaminaceae family was given this name by Christopher Grey-Wilson in 1979. It is found in a small area in the Uluguru Mountains of Tanzania, growing in a well drained limestone-peat-mix with quite some water and some sun. The caudex can grow to 1,5 centimetres in diameter, but quite long. It is said; the seed-plants form a more distinctive caudex. The entire plant grow from 60 to 90 centimetres in height. The flowers are deep coral-red..
The genera name means 'impatience', referring to the fruits which pops when ripe and touched. The species name for the colour of the flowers; same as the colour of a red mineral consisting of native mercuric sulfide HgS.

