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Anaxagorea javanica Blume
| Family Name: | Annonaceae |
| Common Name: | Twin-seed, Bunga Pompun, Kekapur |
Name
Classifications and Characteristics
| Plant Division | Angiosperms (Flowering Seed Plants) (Dicotyledon) |
|---|---|
| Plant Growth Form | Tree (Small (6m-15m)), Shrub |
| Lifespan (in Singapore) | Perennial |
| Mode of Nutrition | Autotrophic |
| Plant Shape | Irregular |
| Maximum Height | 6 m |
Biogeography
| Native Distribution | Peninsular Malaysia, Singapore, Borneo, and Java |
|---|---|
| Native Habitat | Terrestrial (Primary Rainforest, Secondary Rainforest) |
| Preferred Climate Zone | Tropical |
| Local Conservation Status | Native to Singapore (Critically Endangered (CR)) |
Description and Ethnobotany
| Growth Form | It is a shrub or tree up to 6 m tall. |
|---|---|
| Foliage | Its stalked leaves have thinly leathery leaf blades that are elliptic or elliptic-oblong, dark green above, green below, with bulges between the secondary veins, and 14–21 by 5–11 cm. Its midrib is often slightly covered with warts below. |
| Flowers | Its flowers are fragrant, with fleshy and greenish-white to whitish petals, 1.9–2.5 cm long, and grow in singly or in clusters of up to 4. |
| Fruit | Its fruits are dark green, 2.5–4.4 cm long, and grow in clusters of 4–8. Its seeds are shiny black, with a tiny white scar (hilum) at the pointed end. |
| Habitat | It grows in lowland forests. |
| Associated Fauna | Its flowers are insect-pollinated, such as beetles. |
| Cultivation | It can be propagated by seed. |
| Etymology | Anaxagorea, commemorating Anaxagoras (500–428 BCE), a Greek philosopher; Latin javanica, from Java, referring to one locality in the natural distribution of this species |
Landscaping Features
| Landscaping | It is suitable for parks. |
|---|---|
| Desirable Plant Features | Fragrant (Flowers) |
| Landscape Uses | Parks & Gardens, Small Gardens, Hedge / Screening |
Fauna, Pollination and Dispersal
| Pollination Method(s) | Biotic (Fauna) |
|---|
Plant Care and Propagation
| Light Preference | Semi-Shade, Full Sun |
|---|---|
| Water Preference | Moderate Water |
| Plant Growth Rate | Moderate |
| Rootzone Tolerance | Moist Soils, Well-Drained Soils, Fertile Loamy Soils |
| Propagation Method | Seed |
Foliar
| Foliage Retention | Evergreen |
|---|---|
| Mature Foliage Colour(s) | Green |
| Mature Foliage Texture(s) | Leathery, Thin |
| Foliar Type | Simple / Unifoliate |
| Foliar Arrangement Along Stem | Alternate |
| Foliar Attachment to Stem | Petiolate |
| Foliar Shape(s) | Non-Palm Foliage (Elliptical, Oblong) |
| Foliar Venation | Pinnate / Net |
| Foliar Margin | Entire |
| Leaf Area Index (LAI) for Green Plot Ratio | 3.0 (Tree - Intermediate Canopy) |
Floral (Angiosperm)
| Flower & Plant Sexuality | Bisexual Flowers |
| Flower Colour(s) | White, Cream / Off-White |
|---|---|
| Flower Grouping | Solitary, Cluster / Inflorescence |
| Flower Location | Axillary |
| Flower Symmetry | Radial |
Fruit, Seed and Spore
| Mature Fruit Colour(s) | Green |
|---|
Image Repository
Others
| Master ID | 1417 |
|---|---|
| Species ID | 2710 |
| 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. |