|fōlē|āshəs adjective
Etymology: Latin foliaceus, from folium leaf + -aceus -aceous — more at blade
1. : belonging to, consisting of, or having the texture or form of a foliage leaf
foliaceous sepal
foliaceous thallus
foliaceous inflorescence
2. zoology : resembling a leaf in form or mode of growth
3. : consisting of thin laminae of a mineral substance : having the form of a leaf or plate
foliaceous spar