Planchonella obovata, also known as the sea gutta, northern yellow boxwood, or banasi, is a stunning evergreen tree native to Southeast Asia, Micronesia, and islands of the Indian Ocean. It's a captivating addition to coastal landscapes, with unique leaves that offer a fascinating visual contrast.
Leaves of Distinction:
Planchonella obovata boasts a captivating display through its leaves, which showcase a remarkable difference between their upper and lower surfaces.
Upper Surface: The top side of the leaves is a sight to behold. They are a rich, dark glossy green and completely hairless, offering a smooth and elegant texture. This deep green hue adds a touch of sophistication to any environment.
Lower Surface: Flip the leaf over, and a delightful surprise awaits! The underside is covered in a dense layer of coppery-reddish brown hairs. This creates a striking contrast with the upper surface and adds a touch of warmth and vibrancy to the overall appearance of the tree.
Leaf Shape and Size:
The leaves of Planchonella obovata are not only visually captivating but also intriguing in shape and size. They can be categorized as either:
- Elliptic: These leaves resemble an elongated oval, with both ends coming to a gentle point.
- Obovate: This shape is similar to an ellipse but slightly wider at the tip than the base, resembling an inverted teardrop.
The size of the leaves can vary depending on the age and growing conditions of the tree. Generally, they range from 5 to 20 centimeters (2 to 8 inches) in length and 1.5 to 15 centimeters (0.6 to 6 inches) in width.
Beyond Beauty: Other Leaf Characteristics
The leaves of Planchonella obovata are not just aesthetically pleasing; they also possess some intriguing features:
- Petioles: The leaves are attached to the branches by short stalks called petioles. These petioles can also be covered in the same coppery-reddish brown hairs as the underside of the leaves.
- Midrib: A central vein, known as the midrib, runs along the length of the leaf on both the upper and lower surfaces. This vein provides structural support to the leaf blade.
- Alternate Arrangement: The leaves are arranged alternately along the branches, meaning no two leaves directly overlap each other. This arrangement allows for optimal sunlight exposure for each leaf.
In conclusion, the leaves of Planchonella obovata are a beautiful example of nature's artistry. Their contrasting colors, unique shapes, and interesting features make them a captivating element of this remarkable tree.
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