- foliageThe leaves of plants.
- folioA leaf of a book or manuscript.
- folicOf or relating to foliage; pteroylglutamic, as in folic acid.
- foliationThe process of forming into a leaf or leaves.
- foliumA leaf.
- folic acidA polycyclic heterocyclic carboxylic acid, one of the vitamin B complex, essential for cell growth and reproduction
- foliferousProducing leaves.
- foliformleaf-shaped
- foliicolousGrowing or living on leaves.
- folioleOne of the distinct parts of a compound leaf; a leaflet.
- foliophagousfeeding on leaves
- foliophagyThe eating of leaves.
- folivoreA herbivore that eats mostly foliage.
- taxifolinA flavanonol, dihydroquercetin, found in the Chinese yew (Taxus chinensis var. mairei) and other plants