An illustration of four leaves and a dichotomous key to identify which of the leaves is from the magnolia tree.

Question

a
leaf 1
b
leaf 2
c
leaf 3
d
leaf 4

Answer 1

Dichotomous key:

1a. Leaf with smooth edges and prominent veins -- go to 2

1b. Leaf with jagged edges -- not from magnolia tree

2a. Leaf with oval shape and pointed tip -- leaf 1, from magnolia tree

2b. Leaf with rounded shape and blunt tip -- go to 3

3a. Leaf with serrated edges and deep veins -- leaf 3, not from magnolia tree

3b. Leaf with smooth edges and faint veins -- leaf 4, not from magnolia tree