Based on the dichotomous key provided, a plant with many broad leaves and rough edges fits the description for:
Juglans nigra (the black walnut).
So the correct answer is Juglans nigra.
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)
Responses
juglans nigra
juglans nigra
pinus taeda
pinus taeda
albizia julibrissin
albizia julibrissin
cornus florida
cornus florida
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