Distribution of Mimosaceae:
It is commonly called Acacia family. It includes 40 genera and 2000 species. The members are mostly distributed in tropical and sub-tropical regions. In India it is represented by 12 genera and 90 species.
Economic Importance of Mimosaceae:
The sub-family is not of much economic importance. A few members are however useful.
- Acacia catechu serves as a host for the lac insects. From this plant Katha is also obtained. Gum arabic is obtained from the barks of nilotica (syn. A. arabica) and A. Senegal. Saresh- a type of gum – is obtained from Albizzia lebbek.
The flowers of A. decurrens var. dealbata yield a perfume.
The bark of Acacia yields tannin which is used in leather tanning.
- The wood of Adenanthera pavonina is powdered and yields a red dye.
- Prosopis spicigera is grown as a hedge plant and also as a wind breaker in Rajasthan to check spreading desert, acts as water indicator.
- Durable timber is obtained from Acacia melanoxylon, Lysistoma sabicu, Xylia dolabriformis (Iron wood)