A dichotomouys key is used to identify a plant.1a. Leaves are spiny ......................Pinus taeda1b. Leaves are broad..................... Go to 22a. Single leaf..........................Go to 32b. Many leaves....................... Go to 43a. Leaf edge is smooth..............Cornus florida3b. Lead edge is rough...............Ulmus americana4a. Leaflet edges are smooth........Albizia julibrissin4b. Leaflet edges are rough.........Juglans nigraA plant has many broad leaves with rough edges. What type of plant is this?

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