This member of the Crassulaceae family was given this name by Hellmut Richard Toelken in 1978. It is found around Vanrhynsdorp in western South Africa, growing in a well drained quarts soil with some water and lots of sun. The caudex can grow to seven centimetres in diameter, the entire plant from ten to 20 centimetres in height. The flowers are pale yellowish-green and can have some pink parts.
The genera name is an anagram of Cotyledon; a closely-related genus. The species name from Latin; pygmaeus; ' dwarf, short' for the size of the entire plant. This must be a winter-grower, but opportunistic. The caudex from Seedscactus.com. Drought stressed plant by Tony Rebelo, Ispotnature.org.

