Bidens macroptera

About

Bidens macroptera, or adey abeba, is a flowering plant native to Ethiopia. In Ethiopia, adey abeba symbolizes the bigning of Spring (ፀደይ) and a new year called (Enkutatash) in Amharic. During (Enkutatash), a group of young girls sing the traditional new year song Abebayehosh (አበባየሁሽ) and give adey abeba to their parents and loved ones as a symbol of luck and blessing for the new year.

Summary from Wikipedia