Choto betmara or Choto birmala, Calliandra umbrosa
Choto betmara or Choto birmala (Calliandra umbrosa, family: Mimosaceae) is a small-sized deciduous tree with narrow and drooping branches, attaining a height of 3 m. It is found at the foot hills and near streams in Chattogram and Chattogram Hill Tracts of Bangladesh. It is also found in Eastern India, Myanmar, China as well as few countries of Southeast Asia.
Fruit is pod, flattened, dark brown, 8-15 cm long and 2-3 cm wide, dehiscent. Seeds 4.
When wood is burned, it gives off an unpleasant odor.
Synonyms: Albizia umbrosa, Calliandra umbrosa umbrosa (subspecies), Inga umbrosa