Heaven fruit, Borneo rubber
Willughbeia coriacea

Family: Apocynaceae

What it is like

A large climbing shrub. It grows 30 m long. The shoots are woody and have hooked leafless branches that attach to other plants. The leaf stalks are 1-4 cm long and the leaves are 3-30 cm long by 2-13 cm wide. The flowers are in the axils of the leaves. There are 3-25 flowers in a group. The fruit are round to pear shaped and 3-12 cm long by 2-7 cm wide. They are green, yellow or orange. The seeds are 13-18 mm long by 7-13 mm wide.

Where it is found

A tropical plant. It grows in primary and secondary forests up to 1,600 m above sea level. It grows in Sabah in Borneo.

Countries/locations it is found in

Asia, Indochina, Indonesia, Malaysia, SE Asia, Singapore, Thailand

How it is used for food

The ripe fruit are eaten raw.

It is cultivated.

Edible parts

Fruit

How it is grown

Plants can be grown from seeds and also from cuttings or by grafting.

Its other names

Local names

Akar garok, Akar gerit hitam, Akar getah gaharu, Akar getah menjawa, Akar getah gegerip jantan, Akar getah jela, Akar getah ujul, Akar kubal, Akar jitan, Akar jualoh, Buah surga, Karet akar grutuk, Kelang, Lumbu jawa, Puchong kapur

Synonyms

Ancycladus coriaceus (Wall.) Kuntze; Tabermaemontana macrocarpa Korth. ex Blume; Willughbeia firma Blume; and several others