A. Flowering Plants
B. White Petals – Plant 2
B. Violet Petals – Plant 3
C. Flowering plant without petals – Plant 4
A. Non-Flowering Plant – Plant 1 (tree with needles)
A. Flowering Plants
B. White Petals – Plant 2
B. Violet Petals – Plant 3
C. Flowering plant without petals – Plant 4
A. Non-Flowering Plant – Plant 1 (tree with needles)
Yep, that works! This is one way of separating the plants in a very straightforward way. Often times these key get more complex as the author will have to account for more than just 4 plants, and thus it is often advisable to use more than 1 character per couplet.