Perfoliate
Pronunciation : Per*fo"li*ate
Part of Speech : a.
Etymology : [Pref. per- + L. folium leaf.]
Definition : 1. (Bot.)
Defn: Having the basal part produced around the stem; -- said of leaves which the stem apparently passes directory through.
2. (Zo?l.)
Defn: Surrounded by a circle of hairs, or projections of any kind.
Source : Webster's Unabridged Dictionary, 1913