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 rough.................Albizia julibrissin
4b. Leaflet edges are rough ................. Juglans nigra
A plant has many broad leaves with rough edges. What type of plant is this?
A. albizia julibrissin
B. cornus florida
C. pinus taeda
D. juglans nigra