When flowering of a species threatens its survival.

The article informs about flowering of a species that occurs once in the life cycle of bamboo, and Bambusa nutans is one of the important bamboo species in West Bengal, India and locally known as ‘makhla bas'. Topics include Gregarious flowering in bamboo is an extraordinary phenomenon which can lead to ecological disaster; and aim to collect, conserve and identify suitable bamboo species for the area as well as supply quality planting materials to the growers.