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Anisoptera megistocarpa


Anisoptera megistocarpa Slooten.

Family Name: Dipterocarpaceae
Common Name: Mersawa Merah


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

Classifications and Characteristics

Plant Division Angiosperms (Flowering Seed Plants)
Plant Growth Form Tree (Big (>30m))


Native Distribution Thailand, Sumatra, Peninsular Malaysia, and Singapore
Local Conservation Status Native to Singapore (Critically Endangered (CR))

Description and Ethnobotany

Growth Form Large tree with an irregular crown.
Foliage Its alternate, stalked leaves have thickly leathery leaf blades that are oblong or oval, 5.5 - 20 by 2.5 - 8 cm, and brown above and brown or reddish brown below when dry.
Flowers Its white flowers grow on flowering shoots that are up to 12 cm long.
Fruit Its fruits (nuts) are 18 - 22 mm long and wide. Each fruit has longer wings that are 16 - 22 by 3.2 - 3.8 cm, and shorter wings that are 2 - 3 by 0.3 - 0.5 cm.
Habitat It grows on undulating land and low hills. It occurs locally in the vicinity of MacRitchie Reservoir.
Associated Fauna It has insect-pollinated flowers.
Cultivation It can be propagated by seed.
Etymology Greek anisos, unequal; Greek pteron, wing, referring to the unequal wings on its fruits; Greek megistocarpa, very large fruit.

Plant Care and Propagation

Light Preference Full Sun
Water Preference Moderate Water
Plant Growth Rate Moderate
Propagation Method Seed


Mature Foliage Colour(s) Green
Mature Foliage Texture(s) Leathery

Floral (Angiosperm)

Flower Colour(s) White

Image Repository



Master ID 29228
Species ID 3537
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: 22 February 2022.