The "button" term comes from the fact people perceive the leaflets' shape as somewhat roundish, as they alternate along the fern stems.

Ferns are a mainstay among indoor plants, thanks to their elegant, feathery foliage and ability to thrive in low light. Since ferns thrive on moisture in the air, they are a smart houseplant choice if ...

Add Yahoo as a preferred source to see more of our stories on Google. Ferns are a mainstay among indoor plants, thanks to their elegant, feathery foliage and ability to thrive in low light. Since ...