Canarium luzonicum, commonly known as elemi or the Manila elemi tree, is a large tropical evergreen tree belonging to the family Burseraceae. It is native to the primary and secondary rainforests of the Philippines, where it thrives in warm, humid, lowland tropical environments. The genus name Canarium is derived from kanari, the Malay name for the tree, while the species epithet luzonicum refers to Luzon, the largest island in the Philippines, which serves as the primary center of its historical and modern harvest. Historically, elemi has played a monumental role in traditional trade, maritime culture, and perfumery, most notably recognized for the pale yellow, aromatic resin exuded from its bark when wounded.

The plant is a majestic canopy tree that can grow up to 30 meters tall, featuring a straight trunk with smooth, greyish bark and a dense, spreading crown of pinnate leaves composed of numerous glossy leaflets. When the bark or trunk is slashed or damaged, it naturally secretes a viscous, oleoresin that hardens upon exposure to air and sunlight. The flowers are small, yellowish-green, and borne in panicles, eventually yielding small, oblong drupe fruits containing an edible, oily kernel. Canarium luzonicum is a crucial component of tropical agroforestry systems in the Philippines, prized both for its sustainable resin harvesting and its timber.

Elemi resin is world-renowned in perfumery, traditional medicine, and fine arts. When freshly harvested, the resin has a soft, honey-like consistency and a bright, spicy, citrus-floral aroma with distinctive peppery and woody undertones. In perfumery, elemi serves as a vital fixative and a middle note that bridges heavy base notes and light top notes in high-end fragrances. Historically, it was used by ancient civilizations for embalming, as an ingredient in soothing balms, and as a natural waterproof sealant for wooden seafaring vessels. In traditional Filipino folk medicine, warmed elemi resin is applied topically as a poultice to relieve rheumatic muscle aches, heal skin infections, and draw out inflammation. The seed kernels, known as pilinuts, are used for food, both raw and cooked. An edible oil can be extracted from the seeds, and the pulp can be stewed but is somewhat insipid. The young shoots can be boiled and eaten as a vegetable.

Nutritionally and biochemically, the oleoresin of Canarium luzonicum is exceptionally rich in bioactive volatile compounds and triterpenoids. The resin is composed of approximately 20% essential oil, which is heavily dominated by cyclic monoterpenes and sesquiterpenes, alongside non-volatile triterpene acids. Pharmacological research into elemi highlights its potent antimicrobial, antifungal, and local antiseptic properties, which validate its historical use in wound healing. Furthermore, modern inhalation and aromatherapy studies suggest that the aromatic terpenes present in elemi vapor can elicit calming, stress-reducing effects on the human nervous system.