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SYZYGIUM JAMBOS - Rose Apple, Plum rose, Malabar plum
Related Species: Water Apple (Syzygium aqueum), Blue Lilly Pilly (S. coolminianum), Water berry (S. cordatum), Jambolan, Java Plum (S. cumini), Water Pear (S. guineense), Malay Apple (S. malaccense), Java Apple (S. samarangense).

Distant affinity: Eugenias (Eugenia spp.), Guavas (Psidium spp.), Jaboticaba (Myrciaria spp.).

Origin: The rose apple is native to the East Indies and Malaya and is cultivated and naturalized in many parts of India, southeast Asia and the Pacific Islands. It was introduced into Jamaica in 1762 and became well distributed in the West Indies, and at low elevations, from southern Mexico to Peru. The tree was planted in Florida before 1877, and later in California.

Adaptation: Rose apples flourish in tropical or near-tropical climates, but the tree is proving to be hardy enough (to about 25 degrees F) to be grown as an ornamental as far north in California as San Francisco. A beautiful specimen is thriving in the rather cold, windy rare fruit section of Quail Gardens in Encinitas. The rose apple is too large to make a suitable container plant

DESCRIPTION

Growth Habit: The rose apple is a highly decorative evergreen large shrub or small tree growing to about 20 feet with low spreading branches and pale-brown bark. It is wide spreading and often will be wider than its height.

Foliage: The lanceolate leaves are 4 to 9 inches in length by 2 inches wide, shiny and pink when they first emerge, fading to pale green. When mature they are slightly leathery and dark green. They are narrow and elliptic in shape and gradually taper to a point. The foliage is produced in a dense, luxuriant mass that hides all branches from view.

Flowers: Rose apple flowers are large and showy, white to pale cream and sweetly scented. They are 2 - 4 inches wide and consist mostly of about 300 conspicuous stamens to 1-1/3 inches long. There are usually 4 or 5 flowers together in terminal clusters. The flowers are a rich source of nectar for honeybees.

Fruit: The fruits are 1 - 2 inches wide, almost round or a little longer than wide. When ripe they may be greenish or dull-yellow flushed with pink. The skin is smooth and thin, and the firm flesh yellowish, sweet and rose scente. The texture is crisp, almost crunchy when the fruit is ripe and freshly picked. They contains one to four medium hard, round seeds, which rattle around inside the fruit. The seed as well as the roots are regarded as poisonous. Seedless, thick-fleshed fruits have been experimentally produced by treating opened flowers with growth regulators such as naphthoxy acetic acid.
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