Dichotomous key

A.  Plants with needle-like leaves; non-flowering plant…..………Plant 1

A1.  Plants with needle-like leaves, broad leaves, or stemless; flowering plant

B.  Plants with white or yellow petals

C.  Plants with white petals…………………………………Plant 2

C1.  Plants with yellow petals……………………………..Plant 3

B1.  Plants with no petals……………………………………………Plant 4

One comment

  1. Andrew Schnabel

    This is a clear key, and I could work my way through it pretty easily. I was a little unsure about how to work with clue C1, since none of the plants I saw had yellow petals. I was also unsure how it could be determined that Plant 1 was a non-flowering plant by looking at the photos alone.

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