PERFOLIATE

perfoliate. Perfoliate, a. having the base of the leaf surrounding the stem

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Per‐fo″li‐ate (?), a. [[Pref. per- + L. folium leaf.]] 1. 1. (Bot.) Having the basal part produced around the stem; — said of leaves which the stem apparently passes directory through.
2. 2. (Zoöl.) Surrounded by a circle of hairs, or projections of any kind.