Syzygium nervosum Dc.

Species

Angiosperms > Myrtales > Myrtaceae > Syzygium

Characteristics

A large evergreen tree. It grows up to 15-25 m tall. It has a broad crown densely covered with leaves. The bark is slightly rough and mostly flaky. It is dark cream to grey-brown. Larger trees have buttresses. The leaves are produced opposite one another along the stalk and are leathery. They are 10-18 cm long by 4-7 cm wide. The leaves are dark green and shiny on top and pale green underneath. The leaves have a pointed tip, a wavy edge and distinct veins. The leaf stalk is 1 cm long. The leaves have a strong citrus type smell when crushed. The flowers are white or cream coloured. They have many stamens up to 1 cm long and the flowers have a scent. The flowers occur in clusters in the angles of leaves near the ends of branches. The fruit is smooth and round with a hollow at the end. It is 1-1.5 cm across. It is a shiny purple black when ripe. The fruit has one seed. The seed is oval and 0.8 cm across. The fruit is edible.
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Trees, to 15 m tall, many-branched. Bark grayish brown, thick. Branchlets flattened, furrowed. Petiole 1-2 cm; leaf blade oblong to elliptic, 11-17 × 4.5-7 cm, thinly leathery, both surfaces glandular punctate, secondary veins 9-13 on each side of midvein, 8-9 mm apart, and at an angle of 45°-60° from midvein, reticulate veins obvious, intramarginal veins ca. 2 mm from margin, base broadly cuneate to slightly rounded, apex acute to acuminate. Inflorescences lateral on leafless branches, paniculate, 6-12 cm. Buds oval, ca. 5 × 3.5 mm. Hypanthium hemispheric, ca. 3 mm, not stipitate. Calyptra 2-3 mm, apex beaked. Petals obsolete. Stamens 5-8 mm. Style 3-5 mm. Fruit violet to black when mature, broadly ovoid, 1-1.2 × 1-1.4 cm. Fl. May-Jun.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 0.01 - 0.02
Mature height (meter) 15.0 - 25.0
Root system -
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Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
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Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a tropical plant. It grows in monsoon forest in the Northern Territory in Australia. It also occurs in Indonesia, Malaysia, Philippines, and other Asian countries. Often trees are near streams or swamps. They need deep well drained soil. It needs plenty of moisture. In India it grows between 200-1,400 m above sea level. In Nepal plants grow to about 1100 m altitude. They grow in open places. It is found throughout the Philippines.
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Forests, sides of streams at elevations of 200-600 metres in southern China. Rain forest, usually around the margins of swamps or near perennial creeks; at elevations up to 150 metres in Australia. Common in grassland in India.
Light -
Soil humidity -
Soil texture -
Soil acidity -
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Hardiness (USDA) 9-12

Usage

The ripe fruit can be eaten raw.
Uses food fuel material medicinal timber wood
Edible fruits leaves seeds
Therapeutic use Antirheumatic agents (fruit), Joint diseases (root), Anasarca (unspecified), Gingivitis (unspecified), Hemiplegia (unspecified), Neuralgia (unspecified), Pleurisy (unspecified), Pneumonia (unspecified), Sore (unspecified), Gravel (unspecified), Carbuncle (unspecified), Dropsy (unspecified), Rheumatism (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Plants are grown from fresh seed.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
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Optimum temperature (C°) -
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Vigor -
Productivity -

Distribution

Syzygium nervosum world distribution map, present in Australia, Bangladesh, Brunei Darussalam, China, Indonesia, India, Cambodia, Lao People's Democratic Republic, Sri Lanka, Myanmar, Malaysia, Nepal, Philippines, Thailand, United States of America, and Viet Nam

Conservation status

Syzygium nervosum threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:601984-1
WFO ID wfo-0000319069
COL ID 7BBBN
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Syzygium operculatum Syzygium wallichianum Calyptranthes costata Calyptranthes grandis Cleistocalyx cerasoides Cleistocalyx nervosum Cleistocalyx operculatus Calyptranthes cuneata Calyptranthes mangiferifolia Calyptranthes zuzygium Eugenia clausa Eugenia gigantea Eugenia holtzei Eugenia holtziana Eugenia paniala Eugenia suavis Calyptranthes makul Eugenia operculata Eugenia nervosa Eugenia cerasoides Eugenia divaricato-cymosa Syzygium cerasoides Syzygium suave Syzygium nervosum var. obovatum Eugenia operculata var. obovata Cleistocalyx cerasoides var. paniala Syzygium nervosum var. paniala Eugenia operculata var. paniala Cleistocalyx nervosus var. paniala Cleistocalyx operculatus var. paniala Syzygium polyanthum Syzygium nervosum Cleistocalyx nervosum var. paniala Syzygium nodosum Syzygium operculatum var. obovatum Calyptranthes tatna