The name comes from the Latin word folium which means "leaf".

Another blue often used in the Middle Ages was called tournesol or folium.

The specific name, from the Latin folium "leaf", refers to the oblong shape of the leaves.

The species name derived from the Latin terms longus "long", and folium "leaf".

The coloration is brown with some white on the dorsal folium, similar to other species in Anelosimus.

Eulepidotis folium is a moth of the Noctuidae family.

The word comes from the Latin folium, meaning "leaf", and refers to the sheet-like planar structure.

Turnsole or folium was a dyestuff prepared from the annual plant Chrozophora tinctoria.

Folate and folic acid derive their names from the Latin word folium (which means "leaf").

Folium Phyllostachydis, a bamboo leaves medicinal preparation.

The superior semilunar lobules and the folium vermis form the lobus semilunaris.

Folic acid, discovered in 1941 in green leafy vegetables, derives its name from the Latin word for leaf, folium.

The species name angustifolium is a combination of the Latin words angusti meaning 'narrow', and folium meaning 'leaf'.

In geometry, the Hessian curve is a plane curve similar to folium of Descartes.

Its specific epithet 'myrtle-leaved' is derived from the Latin myrtus 'myrtle', and folium 'leaf'.

The folium of Descartes is related to the trisectrix of Maclaurin by affine transformation.

The word quatrefoil means "four leaves", from Latin quattuor, four, plus folium, a leaf.)

The backs of spiders in this genus are marked with a dagger shape, outlined in black and surrounded by a triangular folium.

The specific name is derived from the Latin words pinguis, meaning, "grease", and folium, meaning "leaf," referring to the texture of the leaves.

The specific epithet, rotundifolia, is derived from the Latin rotundus, which means "round, spherical", and folium, meaning "leaf."

Botanists have a phrase for this and say that the leaves are perfoliate, "per" for through and "folium" for leaf.

"That's the superior and inferior lobes, the declive, the folium, and the tuber - the major portion of the cerebellum."

Caulis et folium piperis hancei (山蒟)

Plotting in the cartesian system of (u,v) gives the folium rotated by 45 and therefore symmetric by u axis.

The species name hederifolium comes from the Latin hedera (ivy) and folium (leaf), because of the shape and patterning of the leaves.