👉 Pentastemon is a genus of flowering plants in the family Asteraceae. It belongs to the genus Caltha, which includes about 150 species of flowering plants native to Europe and Asia. The genus name "Caltha" comes from the Greek word "kalthos," meaning "cactus." The Latin name is derived from the Greek words for "saffron" (kalthos) and "star" (kathros). Pentastemon
