Pulasan (Nephelium mutabile)


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Pulasan (Nephelium mutabile) is a tropical fruit closely related to the rambutan, in the family Sapindaceae, native to Peninsular Malaysia. The name pulasan is derived from Malay word 'pulas' meaning twist, in referrence to the act of opening the fruit via twisting. It is known as pulasan in English, Spanish and Malay, kepulasan in Indonesia, bulala in the Philippines, and ngoh-khonsan in Thailand. Pulasan is common in Southeast Asia and the Philippines, and rare to the rest of the world.

Pulasan tree is a tropical ornamental tree, growing 10-15 m tall, with short trunk, 30-40 cm diameter. The branches are brown and hairy when young. The pinnate leaves are alternate, 17-45 cm long, with 2-5 pairs of opposite leaflets, oblong or elliptic-lanceolate, 6-17.5 cm long and 5 cm wide. The leaves are dark-green, slightly wavy on the upper side, and pale bluish-green with few hairs on the underside. The petaless flowers are small, greenish, with 4-5 hairy sepals, borne singly or in clusters, on erect, axillary or terminal branches. The panicles are covered with fine yellowish or brownish hairs. The fruit is 5-7.5 cm long, ovoid, red or dark-red in color. The fruit is covered with short, stiff, fleshy straight spines, 1 cm long.

Pulasan is juicy and sweet, and the aril or flesh can be separated easily from the seed. Pulasan is sweeter than rambutan and lychee. The seed of pulasan can be eaten raw, and has a flavor quite similar to that of almonds. Pulasan is usually eaten fresh, but can also be used to make jams.

Pulasan is propagated by seed, grafting or air layering.


Pulasan (Nephelium mutabile)
Pulasan (Nephelium mutabile)
Author: Hans B. (public domain)

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