Nephelium ramboutan-ake

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Local names:
Burmese (kyetmauk), Dutch (kapoelasan), English (pulasan), Filipino (karayo), Indonesian (pulasan), Japanese (purasan), Malay (Rambutan paroh,Rambutan kafri,Pulasan,meritam)

Nephelium ramboutan-ake is a tree to 24 m tall, trunk 45 cm in diameter, buttresses up to 1.5 m tall.

Leaves (1-)3-7(-18)-jugate, petiole 3-9 cm long, petiolules 2-4 mm; leaflets 5-11 cm x 1.5-3.5 cm, 2.5-6 times as long as wide.

Inflorescences terminal and axillary; petals absent; stamens 5-6, pistil 1-2-merous.

Fruit ellipsoid to subglobular, 3 cm x 2.25 cm, sparsely set with thick warts tapering into up to 7.5-mm long appendages, red.

N. ramboutan-ake is a variable species and may closely resemble N. lappaceum.  The spines on the fruits are usually short and stubby in N. ramboutan-ake and long filiform in N. lappaceum.


N. ramboutan-ake occurs mostly in lowland primary forests, often on river banks but rarely in swamps, usually on sand or clay.

Native range
India, Indonesia, Malaysia, Myanmar, Philippines

Tree management



N. ramboutan-ake occurs mostly in lowland primary forests, often on river banks but rarely in swamps, usually on sand or clay.

The cultivation of N. ramboutan-ake is similar to N. lappaceum, but in general the trees require less space.  It is said to be less productive than the rambutan.

 The fruits are edible. The fruit of N. ramboutan-ake contains per 100 g edible portion: water 85 g, protein 0.8 g, fat 0.6 g, carbohydrates 13 g, fibre 0.1 g and ash 0.4 g.