Some 60-70, see text
Mentzelia is a genus of about 60-70 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.
This article about plants of the order Cornales is a stub. You can help Wikipedia by expanding it.
