Definify.com

Webster 1913 Edition

Adj.

[Pref.

per-

+ L.

folium

leaf.]

(Bot.)

Having the basal part produced around the stem; – said of leaves which the stem apparently passes directory through.

(Zool.)

Surrounded by a circle of hairs, or projections of any kind.

Adj.

[L. per and folium, a leaf.] In botany, a perfoliate or perforated leaf,is one that has the base entirely surrounding the stem transversely.