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Syzygium erythrocalyx (C.T. White) B. Hyland

Family Name:	Myrtaceae
Common Name:	Johnstone River Satinash, Johnstone River Apple, Red Bud Satinash, Scarlet Satinash

Semi Shade

Moderate Water

Fruit or Vegetable

Ornamental Flowers

Ornamental Leaves

Tree

Name

Family Name
Genus Epithet
Species Epithet
Name Authority
Name Status (botanical)
Common Names
Comments

Classifications and Characteristics

Plant Division	Angiosperms (Flowering Seed Plants) (Dicotyledon)
Plant Growth Form	Tree (Small (6m-15m))
Lifespan (in Singapore)	Perennial

Mode of Nutrition	Autotrophic
Maximum Height	8 m to 15 m

Biogeography

Native Habitat	Terrestrial (Primary Rainforest)
Preferred Climate Zone	Tropical

Description and Ethnobotany

Others - Plant Morphology	Growth Form: Small evergreen tree. Habitat: Occurs in tropical rainforests. Trunk: Flowers are borne along the trunk in small clusters. Foliage: Glossy, soft, dark green leaves are elliptic with entire leaf margin (30 cm long). Leaves are deeply veined, creating an uneven leaf texture. Young foliage is pink to bright red. Flowers: Small, pom-pom shaped flowers occur on the branches and along the trunk. The calyx (outermost layer of the flower) is red and the long, numerous stamens are white. Fruits: Bright red, fleshy fruits are apple- to pear-shaped (4 - 8 cm long, 3 - 7 cm wide). Landscaping: This species has attractive young foliage which is pink to bright red and produces an abundance of bright red fruits. It would be ideal as a specimen plant for parks. For a unique look, consider planting a young sapling in a large container. It will produce bright red young foliage for a few years before it needs to be transplanted in the ground. Cultivation: This species grows best in fertile, well-draining soil that is kept moist. It should be sheltered from strong winds. Propagation: Propagate by seed. Etymology: The genus name "Syzygium" is derived from the Greek word "suzugos" which means joined. Syzygium used to be the name of a Jamaican plant species with paired leaves and branches. The species epithet "erythrocalyx" is derived from the Greek word for red ("eruthros") and refers to the red calyx.
Ethnobotanical Uses	Edible Plant Parts : Edible Fruits Food (Fruit or Vegetable) Others: Food: Edible fruits are added to jellies, jams and desserts.

Others - Plant Morphology

Growth Form: Small evergreen tree. Habitat: Occurs in tropical rainforests. Trunk: Flowers are borne along the trunk in small clusters. Foliage: Glossy, soft, dark green leaves are elliptic with entire leaf margin (30 cm long). Leaves are deeply veined, creating an uneven leaf texture. Young foliage is pink to bright red. Flowers: Small, pom-pom shaped flowers occur on the branches and along the trunk. The calyx (outermost layer of the flower) is red and the long, numerous stamens are white. Fruits: Bright red, fleshy fruits are apple- to pear-shaped (4 - 8 cm long, 3 - 7 cm wide). Landscaping: This species has attractive young foliage which is pink to bright red and produces an abundance of bright red fruits. It would be ideal as a specimen plant for parks. For a unique look, consider planting a young sapling in a large container. It will produce bright red young foliage for a few years before it needs to be transplanted in the ground. Cultivation: This species grows best in fertile, well-draining soil that is kept moist. It should be sheltered from strong winds. Propagation: Propagate by seed. Etymology: The genus name "Syzygium" is derived from the Greek word "suzugos" which means joined. Syzygium used to be the name of a Jamaican plant species with paired leaves and branches. The species epithet "erythrocalyx" is derived from the Greek word for red ("eruthros") and refers to the red calyx.

Ethnobotanical Uses

Edible Plant Parts : Edible Fruits
Food (Fruit or Vegetable)
Others: Food: Edible fruits are added to jellies, jams and desserts.

Landscaping Features

Desirable Plant Features	Ornamental Foliage, Ornamental Flowers, Ornamental Fruits
Landscape Uses	Focal Plant, Container Planting
Thematic Landscaping	Economic Garden

Fauna, Pollination and Dispersal

Pollination Method(s)	Biotic (Fauna) (Insects (Ant, Beetle, Fly, Thrip, Wasp), Vertebrates (Bird), Vertebrates (Bat))

Plant Care and Propagation

Light Preference	Semi-Shade
Water Preference	Moderate Water
Plant Growth Rate	Moderate

Rootzone Tolerance	Fertile Loamy Soils, Well-Drained Soils
Propagation Method	Seed

Foliar

Foliage Retention	Evergreen
Mature Foliage Colour(s)	Green
Mature Foliage Texture(s)	Glossy / Shiny, Raised / Sunken Veins

Prominent Young Flush Colour(s)	Red
Foliar Type	Simple / Unifoliate
Foliar Shape(s)	Non-Palm Foliage (Elliptical)
Foliar Venation	Pinnate / Net
Foliar Margin	Entire
Foliar Apex - Tip	Acute
Foliar Base	Acute
Typical Foliar Area	Macrophyll ( 182.25cm2 - 1640.25 cm2 )

Non - Foliar and Storage

Trunk Type (Non Palm)	Woody
Root Type	Underground (Tap Root)

Floral (Angiosperm)

Flower & Plant Sexuality	Bisexual Flowers
Flower Colour(s)	White
Flower Symmetry	Radial

Flowering Habit

Polycarpic

Fruit, Seed and Spore

Mature Fruit Colour(s)	Red
Fruit Classification	Simple Fruit
Fruit Type	Fleshy Fruit , Berry

Image Repository

Images

Others

Master ID	30584
Species ID	4893
Flora Disclaimer	The information in this website has been compiled from reliable sources, such as reference works on medicinal plants. It is not a substitute for medical advice or treatment and NParks does not purport to provide any medical advice. Readers should always consult his/her physician before using or consuming a plant for medicinal purposes.