What is a genus of more species, Cestrum or Bauhinia?
Cestrum Cestrum is a genus of - depending on authority - 150-250 species of flowering plants in the family Solanaceae. They are native to warm temperate to tropical regions of the Americas, from the southernmost United States (Florida, Texas: day-blooming cestrum, "C. diurnum") south to the Bío-Bío Region in central Chile (green cestrum, "C. parqui"). They are colloquially known as cestrums or jessamines (from "jasmine", due to their fragrant flowers).
Senecio cedrorum Senecio cedrorum is a shrub species of the genus "Senecio" and family Asteraceae and endemic to Madagascar.