A tree of keleng
Synonyms: Mangifera longipes, Mangifera sumatrana, Mangifera parih
Other names: Masngga pari, empelem, Mamuang
Keleng grows throughout the Malesian region, from peninsular Thailand to New Guinea. Its cultivation probably brought started long before the introduction of Mangifera indica in the region.
It is widely cultivated in Borneo. This fruit, however, is loosing popularity as the fruits are not as good as those of mango.
A large tree, 20-35 m tall; trunk upto 150 cm in diameter, occasionally with short thick buttresses.
Leaves elliptic-lanceolate to lanceolate, 6-24 cm x 2-6 cm, chartaceous, petiole slender, 2-5 (-8) cm long.
Inflorescences panicles sub terminal, pyramidal, 10-40 cm long, open, laxly spreading, glabrous or sub-puberulous, loosely flowered; flowers whitish-green to pale yellow, long-pedicelled, small, fragrant; calyx 5 lobed, petals 5, narrow; stamens 5, only 1 fertile.
Fruit a drupe, exactly like a small mango, 6-10 cm x 4-5 cm, pale yellow at maturity; flesh yellow, soft fibrous, juicy.
Stone 4.5-5.5 cm x 2-3 cm x 1.3-1.6 cm; seed polyembryonic.
Fruits of keleng
The pulp liquefies at maturity, so the fruits are eaten by sucking. More often the fruit is harvested immature, sliced and served in fruit salads with a spicy sauce .
Keleng is used as a rootstock for mango in Malaysia.
Keleng has some useful traits like resistance to anthracnose. So it might be useful in hybridization programmes for developing improved of mango varieties.