It is closely related to the genus "Caragana". Caragana pygmaea is a flowering plant species in the genus "Caragana". River valleys contain willow, poplar and caragana shrubs. The vegetation is sparse and is mainly composed of Salsola, Caragana and Anabasis scrub. Scree habitats include "Caragana, Saxifraga, Draba", and "Gypsophila". Valleys of the rivers contain willow, poplar and caragana shrubs. The larvae have been recorded feeding on "Caragana" species. Around the lakes are shrubs such as Caragana and salt-tolerant Salsola and saxaul (Haloxylon ammodendron). Honey collected from "Caragana arborescens" is sometimes also called (yellow) acacia honey. The larvae feed on "Caragana pygmaea" and "Caragana bungei". "Caragana arborescens" can be grown as an ornamental plant and bonsai.