Abstract
Lianas (woody climbers) are relatively underexplored life forms of many forests, which predominantly forms tropical forests and provide food and shelter to a variety of animals. A study on flower-pollinator interactions in Roxb. was conducted in the Caesalpinia cucullatatropical rain forest of Indo-Burma hot spot at Tanhril area of Aizawl district of Mizoram. Floral visitors of were monitored and C. cucullatarecorded during 24 field days, four to six hour per day with a total of about one hundred hours during the flowering season of November–December, 2016. The flowers of were found to be visited by three insect species belonging three families; nine C. cucullata passeriformes birds belonging eight families and one Hoary-bellied Himalayan squirrel (Irrawaddy squirrel) belonging family Scuiridae. Birds and squirrel mainly visited the flowers in morning hours while butterflies and bee exhibited diurnal pattern of foraging. The results revealed s that the bird pollination is supported by butterflies in . The flowers of would be excellent food resource to the dependent C. cucullata C. cucullata animal species during dry cold period in the extreme tropical sloppy mountain forest site when availability of floral resource is very scarce. Therefore, could be a valuable liana species for the conservation of valuable species of insects, birds and squirrels.
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