Plants in the mainly American tropical Krameria Family (Krameriaceae) are green (chlorophyll-producing) but root-parasitic, perennial shrubs with well-branched stems, simple, alternate, hairy leaves, bisexual, bilateral flowers with 5 petals (the top 3 petals are linear or clawed and the bottom 2 petals are small and gland-like), 4 or 5 sepals, a slender, recurved style, and a superior ovary, and rounded, nutlike fruit with smooth or barbed spines. Plants in this family are root parasites of nearby plants, but they do use photosynthesis to produce some of their own food, making them hemiparasites (partial parasites).

Listed below are some of the southeastern Arizona plants in this family.