A dichotomouys key is used to identify a plant.
1a. Leaves are spiny ......................Pinus taeda
1b. Leaves are broad..................... Go to 2
2a. Single leaf..........................Go to 3
2b. Many leaves....................... Go to 4
3a. Leaf edge is smooth..............Cornus florida
3b. Lead edge is rough...............Ulmus americana
4a. Leaflet edges are smooth........Albizia julibrissin
4b. Leaflet edges are rough.........Juglans nigra
A plant has many broad leaves with rough edges. What type of plant is this?
(1 point)