No petunias are native to South America.
Petunia.
The scientific name for the Mexican petunia is Ruellia simplex. It is a flowering plant with purple, tubular flowers that is native to Mexico.
Petunia flowers are an inch to 4 inch blossoms depending on the type of petunia.
One is Petunia
naked ladiesnarcissusnasturtiumnerine
Petunias grew in the wild of South America.
Columbine, tigerlily, daffadill, petunia, rose, ect...
Rose, marigold, petunia and many more
Petunias are not poisonous to humans, dogs or cats.
How petunia plants grow totally depends upon the amound of sun, water and fertilizer they receive.
Petunia
Since petunias are beautiful flowers, it is a cute name for a girl.