Kayu batu
Xanthophyllum obscurum

Family: Polygalaceae

What it is like

A large tree. It can grow 47 m tall. The trunk is 70 cm across. The leaves are alternate and simple. The flowers are 26 mm across. The fruit are large and round. They can be 6-14 cm across. It has a thick casing. There are 8-16 seeds. The pulp is sweet.

There are about 100 Xanthophyllum species. Also put in the Xanthophyllaceae family.

Where it is found

A tropical plant. It grows in thick rainforests. It grows up to 1,000 m above sea level. It grows on hillsides with sandy or clay soils.

Countries/locations it is found in

Asia, Brunei, Indochina, Indonesia (country/location of origin), Malaysia, SE Asia, Singapore, Thailand

How it is used for food

The fruit have a sweet white pulp which is eaten.

Edible parts

Fruit

How it is grown

Its other names

Local names

Boh kaeng, Buah kapas, Buah sirarah, Limah berok, Mengkapas

Synonyms

Banisterodes insigne (A.W.Bennett) O.K.; Banisterodes obscurum (A.W.Bennett) O.K.; Xanthophyllum insigne A.W.Bennett; Xanthophyllum scortechinii King;