👉 Zimmerius is a genus of flowering plants in the family Apiaceae, native to Europe and Asia. They are known for their distinctive needle-like leaves, which can be up to three inches long. The genus contains around 20 species, with each plant bearing a single flower called an axillary inflorescence, which typically has five to seven flowers per spike. This genus is primarily found in temperate and tropical regions, including Europe, Asia, and North America.