Botanical Name :Syzygium jambos
Species: S. jambos
Common Name :Golapn jam, Boga Jamuk , Malabar Plum, champakka, chom pu or chom-phu. Terms like “plum rose“, “water apple”, “Malay apple“, “jambrosade”,and “pomarrosa”, or the English equivalent, “rose apple”. Several of these names also are applied to other species of Syzygium, while “jambu” can also mean a guava.
Habitat :.Syzygium jambos is native to Southeast Asia but is naturalized in India, especially the state of Kerala. It has also been introduced widely on every continent except Antarctica, and it has become established and invasive in several regions. Concern has been expressed concerning the threat to several ecosystems, including those on several Hawaiian islands, Réunion, the Galápagos Islands, parts of Australia and the warmer regions of the Americas.
Syzygium jambos is a large shrub or small-to-medium-sized tree, typically three to 15 metres high, with a tendency to low branching. Its leaves and twigs are glabrous and the bark, though dark brown, is fairly smooth too, with little relief or texture. The leaves are lanceolate, 2cm to 4 cm broad, 10 cm to 20 cm long, pointed, base cuneate with hardly any petiole, lively red when growing, but dark, glossy green on attaining full size. The flowers are in small terminal clusters, white or greenish white, the long, numerous stamens giving them a diameter of 5 – 8 cm. In temperate regions the tree is summer-flowering.
The edible fruit of Syzygium jambos is shaped like some kinds of guava, to which the plant is fairly closely related. In fact the fruit is so like the guava in appearance that people unfamiliar with it may mistake it for a guava on sight. However, the fragrance, flavour and texture are different, and instead of containing dozens of small, hard seeds set in a jelly-like tissue, as a guava does, the fruit of Syzygium jambos usually contains one or two large, unarmoured seeds about a cm in diameter, lying loose in a slightly fluffy cavity when ripe. Shaking a fruit to feel whether the seeds rattle, gives some indication whether it is ripe. The skin is thin and waxy. The flowers are described by some as fragrant, though this appears to be a variable attribute. The ripe fruit however, has a strong, pleasant floral bouquet, hence such common names as “Rose apple” and “pomarrosa”.
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There are many varieties of Syzygium jambos world wide, including nondescript feral trees. In Thailand the commonest cultivated variety bears a pale green fruit. Malaysian varieties generally have red skins. In many regions the fruit is a shade of pale yellow, often with a slight blush. The skin is thin and waxy, and the hollow core contains a small amount of insignificant fluff. The flesh is crisp and watery, and the taste is characteristic, which leads to some fanciful descriptions such as: “like a cross between nashi and bell pepper, with a very mild rose scent and a slightly bitter aftertaste.” There seems to be considerable variation in flavour if such a description has any merit; in South Africa for example, there is no noticeable bitter aftertaste, but the bouquet is decidedly assertive, whether one regards it as rose-like or not.
Rich in vitamin C, the fruit can be eaten raw or used in various regional recipes. In South-East Asian countries, rose apple fruit is frequently served with spiced sugar.
The wood is dense and accordingly is used as a source of charcoal.
The tree is variously rich in tannins that are of some antimicrobial interest. Some parts of the tree are used in regional traditional medicine.
Useful part : Bark,leaves & Fruits.
Plants have long been used as medicines for treating a variety of different diseases and complaints. Phytotherapy in Asia is particularly widespread. Plant preparations and medications continue to be used in the treatment of numerous disorders, including eczema, malaria, respiratory disorders and infectious diseases.
. The fruit has been used as a tonic for the brain and liver and as a diuretic.
The flowers are believed to reduce fever, and the seeds were used to treat diarrhea, dysentery and catarrh.
In South-American cultures, the seeds have additionally been used as an anesthetic,
Recent studies have shown S. jambos extracts to have a similar analgesic efficacy to morphine in rats.
S. jambos leaf decoctions were also used traditionally in the tre
Bark of the S. jambos tree is used to treat asthma, bronchitis and hoarseness.
S. jambos leaf extracts have also been shown to possess antiviral activity towards herpes simplex type 1 and type 2 and towards vesicular somatitis virus.[
The antiseptic properties of some members of the genus Syzygium have been extensively studied. In the commercially most important species Syzygium aromaticum (clove), the antiseptic properties are well known. Numerous studies have reported on the antibacterial.
Plant pacifies vitiated pitta, diarrhea, colic, wounds, ulcers, stomatitis, arthritis, and general debility.