Skip to main content

Java plum (Syzygium cumini)

Duwet or jamblang or Java plum (Syzygium cumini) is a species in Myrtaceae, a small or medium sized tree, sturdy, leaves grow all year round, woody stem, 10-30 meters in diameter, white, crooked, up to 20 meters high, reverberant up to 90 cm, low branched and titled round or irregular.

S. cumini has thick leaves, seated opposite and stalks 1-3.5 cm long. Strands oval to oval, 5-25 cm long, 2-10 cm wide. Wide base to round, blunt to tapered end and flat edge. Dark green color, shiny on the upper side, slightly smells of turpentine when crushed and young leaves are bright red.

Dlium Java plum (Syzygium cumini)


Inflorescences in panicles, appear on the branches, tenuous, have 1-3 branches. Small flowers, sitting tightly, 3-8 buds at each end of the stalk and fragrant. Calyx broad bell-shaped, 4-6 mm high, yellow to purplish. Crown is round and loose, 3 mm, white-gray to bright red and falls easily. Stamens 4-7 mm and pistils 6-7 mm.

The fruit is oval to ovoid in shape, often bent and 1-5 cm long. The skin is thin, smooth, shiny, dark red to blackish purple and sometimes white. Often in large herds.





Flesh is white or yellow-gray to red-purple, odorless, lots of fruit juice, sour to sweet-sour astringent taste. Seeds are oval and 3.5 cm long.

Jamblang grows at an elevation of 500-1800 meters. Rainfall is more than 1000 mm/year with a pronounced dry season. Duwet grows in floodplains and is drought tolerant, various types of infertile soils, wetlands, loams, calcareous soils and sandy soils.

The fruit is eaten fresh or mixed with a little salt and sometimes added sugar, then shaken in a closed container until soft. This fruit can reduce stains on the teeth. Rich in vitamins A and C.

Strong wood, waterproof and insect attack. The bark produces tannins and is used to dye nets. Small chips are used to inhibit the acidity of the wine. The leaves are used as animal feed.

Seeds to treat strikhnina and spleen treatment. Seeds, leaves and bark to reduce diabetes and prevent cataracts. Many contain essential oils, jambosine, organic acids, triterpenoids, resins containing ellagic acid and tannins.

Bark, leaves, fruit and seeds are used as a medicine for diabetes and diarrhea. Reducing heart and liver damage in cancer patients receiving doxorubicin chemotherapy, reducing the incidence of stomach cancer by up to 80% and treating epilepsy.

Kingdom: Plantae
Phylum: Tracheophyta
Subphylum: Angiospermae
Class: Magnoliopsida
Order: Myrtales
Family: Myrtaceae
Subfamily: Myrtoideae
Tribe: Syzygieae
Genus: Syzygium
Species: Syzygium cumini

Popular Posts

Japanese morning glory (Ipomoea nil)

Japanese morning glory ( Ipomoea nil ) is a species of plant in the Convolvulaceae family, a climber with twining stems that grow up to 5 meters long. The green, finely hairy leaves are 14 cm long, heart-shaped at the base, entire or 3-5-lobed, tapering at the edges. The flowers are funnel-shaped, blue to reddish-purple with a whitish tube, 5 cm wide and up to 7 cm long. TAXON Kingdom: Plantae Phylum: Tracheophyta Subphylum: Angiospermae Class: Magnoliopsida Order: Solanales Family: Convolvulaceae Subfamily: Convolvuloideae Tribe: Ipomoeeae Genus: Ipomoea L. in Sp. Pl.: 159 (1753) Species: Ipomoea nil (L.) Roth in Catal. Bot. 1: 36 (1797) HOMOTYPIC SYNONYMS Convolvuloides triloba Moench in Methodus: 452 (1794) Convolvulus nil L. in Sp. Pl., ed. 2.: 219 (1762) Pharbitis nil (L.) Choisy in Mém. Soc. Phys. Genève 6: 439 (1833 publ. 1834) HETEROTYPIC SYNONYMS Convolvulus caeruleus (Roxb. ex Ker-Gawl.) Spreng. in Syst. Veg., ed. 16. 1: 593 (1824) Convolvulus coelestis G.Forst. in Fl. Ins...

Bugang (Clerodendrum calamitosum)

Bugang ( Clerodendrum calamitosum ) is a species of plant in the Lamiaceae family. It is an erect shrub, growing up to 1 meter tall, with cylindrical, green stems and white hairs. The leaves are opposite. The leaf blade is oval, wavy, with a central main vein with numerous pinnate minor veins, and serrated margins. The leaves are up to 9 cm long and 7 cm wide. The petiole is up to 2 cm long. The flowers are star-shaped, white, up to 3 cm in diameter and up to 6 cm in total length. The fruit is round, dark green, turning black when ripe. TAXON Kingdom: Plantae Phylum: Tracheophyta Subphylum: Angiospermae Class: Magnoliopsida Order: Lamiales Family: Lamiaceae Subfamily: Ajugoideae Genus: Clerodendrum L. in Sp. Pl.: 637 (1753) Species: Clerodendrum calamitosum L. in Mant. Pl. 1: 90 (1767) HETEROTYPIC SYNONYMS Clerodendrum fastigiatum (W.Hunter ex Ridl.) H.J.Lam in Verben. Malay. Archip.: 317 (1919) Volkameria alternifolia Burm.f. in Fl. Indica: 137 (1768) Volkameria fastigiata W.Hunter...

Durian (Durio zibethinus)

Durian ( Durio zibethinus ) is a species of tropical plant in Malvaceae, an annual tree, everlasting green but there are certain times to grow new leaves after the fruiting period is over, popularly called "king of fruit" and considered a controversial fruit where many people like, but some others are even fed up with the scent. D. zibethinus grows to 25-50 m, reddish brown bark and irregular peeling, leafy and stretched canopy. The leaves are oval shaped to lanceolate, 10-15x3-4.5 cm, sitting alternately, stemmed, taper or blunt base and taper-pointed sloping, bright green upper side, the lower side covered with silver or golden scales. Flowers and fruit Flowers appear directly on the trunk or old branches at the proximal, clustered in panicles containing 3-10 florets or flat-shaped florets. Rounded flower buds, 2 cm in diameter and long stem. Tubular petals, 3 cm long, additional petals split into 2-3 round lobes. Crown shaped spatula with a length of 2 times the ...