Casuarina equisetifolia, commonly known as Suru, is an evergreen tree belonging to the Casuarinaceae family. Native to Southeast Asia, Northern Australia, and Pacific islands, it has been widely planted in tropical and subtropical regions globally. The tree is recognized for its unique needle-like foliage and is often found in coastal areas due to its tolerance to salt spray.
| Botanical Name | Casuarina equisetifolia |
| Kingdom | Plantae |
| Synonyms | Casuarina litorea, Casuarina striata, Casuarina equisetifolia var. incana |
| Order | Fagales |
| Family | Casuarinaceae |
| Species | C. equisetifolia |
| Habit | Evergreen Tree |
| Class | Magnoliopsida |
| Genus | Casuarina |
| Range | Native to Southeast Asia, Northern Australia, and Pacific islands, widely planted in tropical and subtropical regions worldwide. |
While not typically consumed for nutritional purposes, Suru has ecological significance. Its nitrogen-fixing roots contribute to soil fertility and erosion control, making it valuable in coastal ecosystems.
Suru is characterized by its slender, jointed branchlets resembling horsetails, which are actually modified stems. The leaves are reduced to small, scale-like structures known as cladodes. The appearance of the tree is distinctive, with a symmetrical and conical crown. The wood of Suru is dense and durable, often used for construction and as a source of firewood.
There is limited information on the side effects of Suru. However, caution should be exercised when using any plant for medicinal purposes, and consulting with a healthcare professional is advisable.
The Suru tree serves various purposes. Its wood is utilized in construction, providing a durable and termite-resistant material. Additionally, it is used for making tool handles, fences, and fuel. Suru's ability to thrive in coastal regions makes it valuable for stabilizing sandy soils and preventing erosion. The tree also plays a role in traditional medicine in some cultures.
While Suru is generally considered safe, it is important to be cautious when using it for medicinal purposes. Individuals with known allergies or sensitivities should avoid contact with the tree or its extracts. Pregnant and breastfeeding women should consult with a healthcare provider before using Suru for medicinal purposes. As with any herbal remedy, moderation and informed use are key to ensuring safety.
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