ginkgo

Imagine a tree that's been around for over 200 million years—it existed long before dinosaurs even walked the earth! That's the ginkgo. It's often called a "living fossil" because it's the only surviving species of an ancient group of trees. In autumn, ginkgos are famous for their vibrant golden leaves, which often fall all at once, creating a stunning yellow carpet on the ground. They aren't just beautiful, though; they're incredibly resilient and can thrive even in polluted city environments. This is why you'll often find them lining busy urban streets!

The name "ginkgo" is widely believed to come from a historical spelling mistake. A scholar wrote the Japanese name for the tree as "ginkgo," and that form stayed in use. Ginkgo trees are dioecious, meaning there are separate male and female trees. Many cities prefer planting male trees because the female trees produce seeds with a very strong, unpleasant smell when they ripen.

The ginkgo tree (Ginkgo biloba) is a truly remarkable species—a relic from the prehistoric past that continues to thrive in the modern world. Often referred to as a "living fossil," its lineage dates back over 270 million years, predating the rise of the dinosaurs. This ancient history makes it a fascinating subject for scientists studying evolution and botanical history.

Ginkgos are easily recognized by their unique, fan-shaped leaves that turn a brilliant, uniform yellow in the fall. Unlike most trees that lose their leaves gradually, a ginkgo may drop its entire canopy in a single day after a hard frost, creating a spectacular golden scene. Beyond their beauty, they are incredibly hardy, possessing a rare ability to withstand pollution, pests, and even high levels of radiation. Famously, ginkgo trees were among the few living things to survive the Hiroshima atomic blast.

Interestingly, ginkgo trees are dioecious, meaning individual trees are either male or female. The female trees produce seeds covered in a fleshy outer layer that contains butyric acid. When these seeds ripen and fall, they release a notoriously unpleasant odor, often described as smelling like rancid butter. Because of this, urban planners typically stick to planting male clones.

Beyond its aesthetic and historical significance, the ginkgo has been used in traditional Chinese medicine for centuries. Today, extracts from its leaves are popular supplements believed to improve memory and cognitive function, though scientific consensus on these benefits is still evolving. Whether you're admiring its golden foliage or marveling at its survival through the ages, the ginkgo stands as a testament to nature's enduring resilience.