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Cynometra ramiflora L.

Family Name: Fabaceae (Leguminosae)
Common Name: Katong Laut, Belangkan, Kangkatung Bukit, Kangkatong Laut
Full Sun Semi Shade Moderate Water Native to Singapore Coastal Plant Suitable for Roadsides Ornamental Leaves Tree


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

Classifications and Characteristics

Plant Division Angiosperms (Flowering Seed Plants) (Dicotyledon)
Plant Growth Form Tree (Medium (16m-30m))
Lifespan (in Singapore) Perennial
Plant Shape Rounded, Umbrella
Maximum Height 26 m


Native Distribution From India, and throughout Southeast Asia (including Singapore) to the Pacific
Native Habitat Terrestrial, Shoreline (Mangrove Forest, Sandy Beach, Rocky Beach)
Preferred Climate Zone Tropical
Local Conservation Status Native to Singapore (Critically Endangered (CR))

Description and Ethnobotany

Growth Form It is a tree, up to 26 m tall.
Crown Its crown is rounded and umbrella in shape.
Foliage Its alternate, stalked, pinnate leaves have 1-2 pairs of leaflets that are 1.2-20 by 0.5-7 cm. New foliage is pinkish to beige in colour.
Flowers Its small, white flowers are found on rather inconspicuous clusters.
Fruits Its fruit pods are brown, scaly, wrinkled, and 1.2-5 by 1.3-4 cm.
Habitat It grows on rocky and sandy seashores, tidal rivers, in the landward side of mangrove forests, and inland forests up to 400 m altitude.
Associated Fauna It is the food plant for the caterpillars of the moth, Carea costiplaga. Its flowers are pollinated by insects.
Cultivation It can be propagated by seeds. kuno-metron
Etymology Greek, kuno-metron, dog matrix, referring to the fruits. Latin, ramiflora, bearing flowers on branches.
Ethnobotanical Uses Timber & Products ( The dark-brown, heavy and hard timber is used to make door-posts, or for construction locally, because it is found only in small quantities.)
[Others]: It is occasionally cultivated as an ornamental tree.

Landscaping Features

Landscaping It is suitable for planting along roadsides and gardens as a shade-providing tree.
Desirable Plant Features Ornamental Foliage
Plant & Rootzone Preference - Tolerance Moist Soils, Well-Drained Soils, Saline Soils / Salt Spray
Landscape Uses General, Roadside Tree / Palm, Parks & Gardens, Small Gardens, Coastal, Beachfront / Shoreline, Shade Providing Tree / Palm

Fauna, Pollination and Dispersal

Fauna Pollination Dispersal Associated Fauna Caterpillar Moth Food Plant
Pollination Method(s) Biotic (Fauna)
Seed or Spore Dispersal Abiotic (Water)

Plant Care and Propagation

Light Preference Semi-Shade, Full Sun
Water Preference Moderate Water
Plant Growth Rate Moderate
Propagation Method Seed


Foliage Retention Evergreen
Mature Foliage Colour(s) Green
Mature Foliage Texture(s) Leathery
Prominent Young Flush Colour(s) Pink
Foliar Type Compound (Even-Pinnate)
Foliar Arrangement Along Stem Alternate
Foliar Attachment to Stem Petiolate
Foliar Shape(s) Non-Palm Foliage (Elliptical)
Foliar Venation Pinnate / Net
Foliar Margin Entire
Leaf Area Index (LAI) for Green Plot Ratio 3.0 (Tree - Intermediate Canopy)

Floral (Angiosperm)

Flower Colour(s) White
Flower Grouping Cluster / Inflorescence
Flower Location Axillary

Fruit, Seed and Spore

Mature Fruit Colour(s) - Angiosperms and Gymnosperms Brown
Mature Fruit Texture(s) Wrinkled
Fruit Classification Simple Fruit
Fruit Type 1 Indehiscent Dry Fruit


References Tan, P.Y., R.T. Corlett and H.T.W. Tan (Editors). 2010. A Field Guide to the Native Garden @ HortPark: an Urban Oasis of the Native Flora and Fauna of Singapore. Singapore: Centre for Urban Greenery and Ecology (National Parks Board) and National University of Singapore. 124pp

Image Repository



Master ID 1541
Species ID 2834
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: 14 October 2021.