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.
Mentzelia torreyi is a species of flowering plant in the family Loasaceae known by the common name Torrey's blazingstar.
 It is native to the western United States where it grows in the Great Basin and surrounding areas in desert, scrub, woodland, and other habitat.
Mentzelia affinis is a species of flowering plants in the family Loasaceae known by the common name yellowcomet.
 It is native to the southern half of California, Arizona, and adjacent sections of Nevada and Baja California, where it is known from scrub, woodland, desert sands, and other habitat types.
Periploca is a genus of plants in the Apocynaceae family, first described for modern science by Linnaeus in 1753.
 It is native to Europe, Asia, and Africa.
Mentzelia oreophila is a species of flowering plant in the family Loasaceae known by the common name Argus blazingstar.
 It is native to the Southwestern United States and the Mojave Desert sky islands in California.
 It grows in rocky desert and scrub habitat.
Mentzelia albicaulis is a species of flowering plants in the family Loasaceae known by the common names whitestem blazingstar, white-stemmed stickleaf, and small flowered blazing star.
 It is native to much of western North America, where it grows in mountain, desert, and plateau habitat.
Mentzelia involucrata is a species of "Mentzelia" native to the Mojave and Sonoran deserts of North America.
 Its common names include kuʼu, sand blazing star and white-bract blazing star.
Mentzelia nitens is a species of flowering plant in the family Loasaceae known by the common names shining blazingstar and Venus blazingstar.
 It is native to the Mojave Desert and adjacent desert and mountain areas of eastern California and southern Nevada.
Mentzelia dispersa is a species of flowering plant in the family Loasaceae known by the common name bushy blazingstar.
 It is native to western North America from British Columbia to California to the Dakotas, where it grows in many types of habitat.
Mentzelia polita is a species of flowering plant in the family Loasaceae known by the common name polished blazingstar.
 It is native to the southwestern United States, where it grows in desert mountains, washes, and other dry habitat.

Question: Are the genuses Mentzelia and Periploca native to the same continents?
Answer: no