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Xylocarpus moluccensis

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Xylocarpus moluccensis

Family Name: Meliaceae
Synonyms: Carapa borneensis, Carapa mekongensis, Carapa moluccensis, Carapa obovata, Xylocarpus australiasicus, Xylocarpus gangeticus, Xylocarpus mekongensis, Xylocarpus parvifolius
Common Name: Nyireh batu

Name

Family Name
Genus Epithet
Species Epithet
Name Status (botanical)
Synonyms
Common Names

Classifications and Characteristics

Plant Division Angiosperms (Flowering Seed Plants)
Plant Growth Form Tree (Medium (16m-30m), Small (6m-15m))
Lifespan (in Singapore) Perennial
Mode of Nutrition Autotrophic

Biogeography

Native Distribution Tropical Asia, India, Southeast Asia, including Singapore, northern Australia and Papua New Guinea
Native Habitat Shoreline (Mangrove Forest)
Preferred Climate Zone Tropical, Sub-Tropical / Monsoonal
Local Conservation Status Native to Singapore (Endangered (EN))

Description and Ethnobotany

Growth Form Medium to large-sized tree, measuring up to 20 - 30 m tall, usually has a sparse canopy
Trunk Trunk diameter measuring up to 70 - 200 cm, deeply fissured surface.
Roots Has pointed, conical-shaped pneumatophores at the base of the trunk.
Foliage Leaves spirally arranged, usually 2 - 3 leaflets, each leaflet measuring 4 - 12 by 2 - 6.5 cm. Leaflets are paired, oval to heart or egg-shaped, leathery and with a broadly rounded to sharply tapered base. Leaflet stalk measure 1 - 3 mm long.
Flowers Occur in clusters located in the axils, flower clusters are 6 - 18.5 cm long and with a 2 - 10 mm long stalk. Calyx is flat, deeply 4-lobed, lobes measuring 1 - 1.7 mm long; calyx lobes are rounded, white and about 1.5 mm long. Flower consist of 4 petals, yellowish and oblong to egg-shaped, measuring 2 - 3 by 3.5 - 4 mm long; 8 stamens and a 2 - 2.5 mm long style. 
Fruit Broadly ellipsoid greenish-brown fruit, measuring 8 - 11 cm in diameter, usually has 5 - 10 brown seeds measuring 4 - 6.5 cm long.
Habitat Occurs in tidal forests, banks of tidal creeks, along open shores and along coastal fish ponds.
Etymology Xylocarpus in Latin means "woody fruit", moluccensis refers to the Moluccas region where this species is commonly found.
Ethnobotanical Uses Medicinal: Seeds are used as medicine for stomachaches and bark tannin is used as medicine to treat intestinal problems.
Timber & Products: Wood is used to construct houses, boats, small tools and also as firewood. Bark tannin is used to treat fishing nets.

Landscaping Features

Desirable Plant Features Ornamental Flowers
Landscape Uses Coastal, Riverine
SGMP Treatment

Fauna, Pollination and Dispersal

Seed or Spore Dispersal Abiotic

Plant Care and Propagation

Light Preference Full Sun
Water Preference Lots of Water
Plant Growth Rate Moderate
Rootzone Tolerance Waterlogged Soils, Saline Soils / Salt Spray
Pest(s) Vertebrates (Herbivores)
Propagation Method Seed

Foliar

Foliage Retention Deciduous
Mature Foliage Colour(s) Green
Foliar Type Compound
Foliar Arrangement Along Stem Opposite
Foliar Attachment to Stem Petiolate
Foliar Shape(s) Non-Palm Foliage (Oval)
Foliar Venation Pinnate / Net
Foliar Margin Entire

Non - Foliar and Storage

Mature Bark Texture Fissured

Floral (Angiosperm)

Flower & Plant Sexuality Bisexual Flowers
Flower Colour(s) Cream / Off-White
Flower Grouping Cluster / Inflorescence
Flower Location Axillary

Fruit, Seed and Spore

Mature Fruit Colour(s) Green
Fruit Classification Simple Fruit
Mature Seed Colour(s) Brown
Seed Quantity Per Fruit Moderate (6-10)

Image Repository

Images

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Master ID 1917
Species ID 3209
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.
Species record last updated on: 19 December 2022.
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