Question

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 mnay broad leaves with rough edges. What type of plant is this?

A.) juglans nigra

B.) albizia julibrissin

C.) pinus taeda

D.) cornus florida

Answer 1

B.) albizia julibrissin