Some 60-70, see text Mentzelia is a genus of about 100 species of flowering plants in the family Loasaceae, native to the Americas.

The genus comprises annual, biennial, and perennial herbaceous plants and a few shrubs.

They are commonly called blazing stars or stickleafs; other names include evening stars and moonflowers.

According to Plants of the World Online there are 100 species in this genus.

This article about plants of the order Cornales is a stub.