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What features make Ginkgo biloba easy to recognize?
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gymnosperm
Pine cone and exposed seeds of the pinyon pine (Pinus edulis). Pinyon pines are gymnosperms and bear their edible seeds, known as pine nuts, in protective cones instead of fruit.
Ginkgo biloba, commonly known as the ginkgo or maidenhair tree, is a unique gymnosperm with several distinctive features that make it easy to recognize:
- Distinctive Foliage: The most recognizable feature is its fan-shaped, leathery leaves. These leaves often feature a central notch that divides them into two lobes, resembling the leaflets of a maidenhair fern. They also exhibit a striking dichotomous venation pattern, where veins fork repeatedly toward the leaf edges.12
- Growth Habit: The tree possesses both long branches and short, spurlike branches. Leaves are typically produced in clusters on these short, thickened spur branches.12
- Seasonal Color: As a deciduous tree, the ginkgo is noted for its foliage, which turns a brilliant golden yellow in the autumn before falling rapidly.12
- Reproductive Characteristics: The tree is dioecious, meaning male and female structures grow on separate trees. Female trees produce yellowish, plumlike seeds. When these seeds decay, the fleshy outer layer emits a strong, disagreeable odor similar to rancid butter due to the presence of butyric acid.12