Alexandrian laurel
Calophyllum sil
Description
Alexandrian laurel (Calophyllum inophyllum) is an evergreen tree belonging to the Clusiaceae family. In agriculture, this crop is highly valued as the primary source of tamanu oil, a dense, nutty-scented lipid widely utilized in cosmetic and medicinal industries for its regenerative properties.
The native habitat of this species includes the tropical regions of Asia, specifically along the coastal lines of the Indian and Pacific Oceans. Today, the cultivation area spans across Southeast Asia, Oceania, and parts of East Africa, where the tree has proven to be highly resilient in saline, coastal environments.
Botanically, it is a robust, spreading tree that can reach heights of up to 20 meters. It features thick, glossy, elliptical leaves and produces drupaceous fruits. Each fruit contains a single large kernel, which is the economically valuable part of the plant due to its high oil content.
The plant thrives in tropical climates and requires well-drained, sandy, or alluvial soils. It is notably tolerant of salt spray and drought, making it an excellent candidate for coastal agriculture. Effective cultivation requires monitoring plant density and ensuring early protection of young saplings from competitive weed growth.
Major areas of economic utilization include:
- Production of tamanu oil for skincare and dermatology.
- Utilization of wood in boat building due to its density and durability.
- Exploration of seed cake as a potential feedstock for biofuel production.
The primary challenges in cultivation involve fungal infections that affect the foliage in highly humid conditions, alongside common tropical pests such as leaf miners and borers. An integrated pest management program is essential to maintain high yield levels and plant health in commercial orchards.