Characteristics of Semilit Wood Tree (Osbornia octodonta) in the Wild

Osbornia octodonta
Semilit wood is a small tree species that live in mangrove areas. This species is the only member of the genus Osbornia of the Myrtaceae family. Common names for this tree include Taualis, Baru, Monot-bonot, and Dulok-dulok.

Semilit wood trees grow in open areas in mangrove areas, or on the edge of the water that is affected by tides. The tree thrives on muddy, rocky, and sandy soil. Although he likes damp soil, semilit wood trees cannot live in areas that are flooded with fresh water.

The spread of semilit wood trees starts from tropical Australia, Papua New Guinea, and several regions in Indonesia such as Papua, Nusa Tenggara, East Java, northern Kalimantan, and Sulawesi. Apart from that, the tree was also found growing in a small part of the Philippines.


Characteristics of Semilit Wood Leaf

Osbornia octodonta Leaf & Flower
Source :

The leaves are facing, thin, and smell aromatic when crushed or crushed. Egg-shaped, 2-5 × 1-3 cm in diameter, and rounded leaf tips.

The flowers contain 1-3 buds and appear in the armpits of a pair of leaflets in the shape of an oval.

In tropical Australia, semi-woody trees flower from June to December and bear fruit in February.

The fruit is recently protected by the calyx tube and does not break down when ripe, is about 5-10 mm in diameter, has an ovoid seed, and each fruit contains 1-2 seeds.


Characteristics of Semilit Wood Tree

Osbornia octodonta Tree
Source : Cumming

Semilit wood tree growth is slow and it does not grow as a large tree. In their wild habitat, semilit wood trees are only found as high as 5-7 meters. The bark is brownish-gray and the branches are pale gray.

In the wild, semilit wood trees have a shape similar to the Teruntum tree (Lumnitzera racemosa).


The wood is of good quality because it has the characteristics of weight, hardness, and durability. This wood is often used in construction or for railroad bearings.

The bark is used to patch the leaking wooden boat walls.

Its aromatic leaves are used by fishermen to repel mosquitoes.

The leaves can be used to treat toothaches.


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