Q.Strange Growth On Indoor Ficus Tree Branches
See attached photo

BushDoctor
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on March 4, 2022
They appear to be insect galls, although I do not recognize the particular gall pattern. Insects will burrow and lay eggs, which creates what you see, here.
Remove them, and treat with an insecticide. It will pose no real harm to the tree.
https://www.gardeningknowhow.com/plant-problems/pests/pesticides
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