Research > Reference Library > Trees of Canada JOIN MAIL LIST: SEARCH: Discover GF Research Education Newsroom How to Help click image to enlarge Sycamore sycamorePlatanus occidentalis L. Sycamore is a long-lived (>300 years), fast-growing, large (>40 m) tree. Its mature bark is mottled and multihued. The base of the petiole (leaf stalk) is hollow. Sycamore is tolerant of air pollution and lines many of the streets of New York City.
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