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

Screw tree (Helicteres isora)

Screw tree ( Helicteres isora ) is a species of plant in the Malvaceae family. It is a shrub or small tree, up to 8 meters tall. It has gray bark and alternate leaves, up to 22 cm long and 17 cm wide, oval in shape, with serrated edges and hairs. The flowers are red or white and reach a total length of 5.5 cm. The fruit is green when unripe, brown or gray when dry, twisted, spiral-shaped, and pointed at the tip. The seeds are black or brown, shiny, and diagonal, triangular, or rectangular. TAXON Kingdom: Plantae Phylum: Tracheophyta Subphylum: Angiospermae Class: Magnoliopsida Order: Malvales Family: Malvaceae Subfamily: Helicteroideae Tribe: Helictereae Genus: Helicteres Pluk. ex L. in Sp. Pl.: 963 (1753) Species: Helicteres isora L. in Sp. Pl.: 963 (1753) HETEROTYPIC SYNONYMS Helicteres baruensis var. ovata DC. in Prodr. 1: 476 (1824) Helicteres chrysocalyx Miq. ex Mast. in J.D.Hooker, Fl. Brit. India 1: 365 (1874) Helicteres corylifolia Buch.-Ham. ex Dillwyn in Rev. Hortus Malab....

Red lip (Syzygium myrtifolium)

Pucuk merah or daun pucuk merah or red lip ( Syzygium myrtifolium ) is a plant species in the Myrtaceae, a medium tree with a cylindrical trunk and produces cambium, up to 5 meters high, bark rough and light brown, many branches and strong roots. S. myrtifolium has oval-shaped leaves, pointed tip and base, up to 7 cm long, up to 2 cm wide, a vein in the middle, flat margins, shiny surface, bright red leaf buds and will turn green over time. The flowers are compound and arranged in panicles. The flowers bloom with a stigma in the center and are white. The fruit is round and up to 1 cm in diameter, the middle of the upper surface has a depression and is shiny black when ripe. This species grows in forests, agricultural land, roadsides and abandoned lands. This tree has a root structure that goes deep into the ground and is sturdy so it is often used to rehabilitate land, prevent landslides and store water reserves. This tree has a greater ability to absorb CO2 than other types of pla...

Yellow garden spider (Argiope appensa)

Yellow garden spider ( Argiope appensa ) is a species of spider in Araneidae that lives on the coast to forests on islands in the western Pacific Ocean. Black and yellow females are striking and have a length of 5.1-6.4 cm including long legs, while males are brown and have a length of about 1.9 cm. A. appensa lives on cliffs in the hills at 600 m above sea level in Kewu plain to rice fields in the lowlands. They make nests at a height of 1.5 meters from the ground between teak ( Tectona grandis ), sonokeling ( Dalbergia latifolia ), sonosiso ( Dalbergia sissoo ), crown flower ( Calotropis gigantea ) and various grasses. Yellow garden spiders grow in large sizes, but are not toxic to humans. Advanced builds ball-shaped nets and most of them make stabilizers which are zigzag-shaped lines in nets made of thicker bands. This species spends more time in stationary and sits in the middle of the net with its head down to wait for insects to be entangled in fine silk thread. Unli...