Characteristics of Berangan Jawa Tree (Castanopsis javanica) in the Wild

Castanopsis javanica
Berangan Jawa or Ki Hur (Castanopsis javanica) is a species of tree that produces good quality wood originating from Indonesia (Kalimantan, Java, Sumatra), Malaysia, and Thailand. The tree grows in a primary forest or sometimes secondary forest at an altitude of 90-1700 m asl.

In English-speaking countries, this tree is called Javan chestnut-oak. While the scientific name which contains the word javanica comes from Latin, which means “Java”.

In Indonesia, the Castanopsis cuspidata tree is known by many names, including Ki Hur, Hiur, Palele, Riung Anak, and Berangan Jawa.

 

Characteristics of Berangan Jawa Leaf

Castanopsis javanica Leaf
Source: phytoimages.siu.edu

The leaves are oval slightly oblong, the upper surface is pale gray-green and the lower surface is golden brown.

 

Characteristics of Berangan Jawa Fruit

Castanopsis javanica Fruit
Source: phytoimages.siu.edu

The fruit is covered with a rather stiff feather, ovoid in shape, and about 2.5 cm in diameter. Seeds are round or flattened, 1-1,5 cm long and 2-2,5 cm wide.

The fruit is similar to the Sarangan or Saninten fruit (Castanopsis argentea), but the Castanopsis javanica fruit cannot be consumed.

 

Characteristics of Berangan Jawa Tree

Castanopsis javanica Tree
Source: inaturalist.org/meisudaroom

Berangan Jawa trees can grow to a height of 40 meters and a trunk diameter of up to 1 meter. Stems are generally straight, with brown outer bark and shallow grooves. Pepagan is thick, fibrous, and light yellow to brown. Head wide, golden brown.

Berangan Jawa wood has a specific gravity of 0.67, durability class III and strength class II-III, and can be used as a building material, flooring, wallboards, and door or window frames.

 

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