In today's tropical botany course at our Department of Systematics and Evolutionary Botany I talked about Gesneriaceae, Asteraceae, Araliaceae and Bignoniaceae. I am very grateful to the gardeners for providing us all the amazing plants www.bg.uzh.ch/de.html

How do species diverge? Could the relative immobility of plants increase their likelihood of speciating in the same place?🧵