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Kostermanthus heteropetalus

(Scort. ex king) Prance

Chrysobalanaceae Edible: Fruit

gbif· cc0

President and Fellows of Harvard College

gbif· cc0

President and Fellows of Harvard College

gbif· cc0

President and Fellows of Harvard College

Kostermanthus heteropetalus is a tree in the family Chrysobalanaceae. The specific epithet heteropetalus is from the Greek meaning 'uneven or unequal petals'.

Description

A tree. It grows 35 m tall. The trunk is 2 m across. It has small, low buttresses. The bark has small cracks. The leaves are narrowly oval and leathery. They are 5-20 cm long by 3-6 cm wide. They are wedge shaped or rounded at the base. They taper to a blunt tip. The leaves are smooth but with small hairs on the veins. The flowering stalks have few branches and are 10 cm long. The flowers are bell shaped at the base and the lobes are fleshy and curve back. The petals are white with pink tinges. The petals are unequal. The fruit are oval and 4 cm long by 3 cm wide. They have a thick hard outer shell. The seeds are 1.5 cm long by 3 cm wide.

Edible Uses

The fruit is eaten.

Distribution

It is a tropical plant. It grows in forests on sandy clay soils up to 500 m above sea level.

Where It Grows

Asia, Brunei, Indonesia, Malaysia, Philippines, SE Asia,

Notes

There are 2 Kostermanthus species.

Synonyms

Parinari heteropetalum Scort. ex KingParinarium myriandrum Merr.Acioa heteropetala (Scort. ex King) Kosterm.

Also Known As

Merbatu, Rasak batu

References (1)

  • Soepadmo, E. and Wong, K. M., 1995, Tree Flora of Sabah and Sarawak. Forestry Malaysia. Volume One. p 161

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