Which of the plants covers a larger part of the world, Calibrachoa or Astilboides?
Calibrachoa Calibrachoa (ca-libra-KO-a) is a genus of plants in the Solanaceae (nightshade) family. They are evergreen short-lived perennials and subshrubs with a sprawling habit, with small petunia-type flowers. They are found across much the same region of South America as petunias, from southern Brazil across to Peru and Chile, inhabiting scrub and open grassland.
Prostanthera prostantheroides Prostanthera prostantheroides is a plant in the family Lamiaceae, found only in West Australia. It was formerly treated as one of two species in the genus "Wrixonia", now included in "Prostanthera" by the World Checklist of Selected Plant Families.