Observe the flower and determine the size of the outer parts.
Flowers with outer parts longer than 1/4 inch (conspicuous flowers) proceed to I.

Flowers with small outer parts usually shorter than 1/4 inch (inconspicuous flowers) proceed to II.

I. Conspicuous flowers. Flowers with outer parts longer than 1/4 inch.

A.Open faced flowers. The outer parts are sepals or petals or a combination of sepals and petals or petal-like structures.

B. Open faced heads. Heads with ray flowers and disk flowers, or ray flowers, or disk flowers.

C. Pea flower. A flower with one large broad upper petal, two similarly shaped side petals, and two lower petals sometimes united. They resemble the garden pea.

D. Different flower. A flower that does not fit any of the previous descriptions.

II. Inconspicuous flowers. Flowers with small outer parts usually shorter than 1/4 inch.
A. Flowers in round clusters.

B. Flowers in long clusters

This is a numerical index and this is an alphabetical index.

Want to know when the flowers bloom? Go to flowering time.

Or how about making your own wildflower book. Go ahead and print the pages of your choice.