👉 pinninervate is a type of plant that grows in the northern hemisphere. It is also known as the Arctic pinnatifid, and it has been found only in the Arctic region of North America. Pinnativites are characterized by their hard outer bark, which is primarily composed of lignin and resins. They have a slender stem with multiple branches that grow from the base of the trunk. The leaves on the branch are usually small and round, while the flowers are