Ptychosperma macarthurii

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Ptychosperma macarthurii

Macarthur Palm

Intermediate Sensitivity

Species Name	Ptychosperma macarthurii
Common Name	Macarthur Palm
Family	Arecaceae
Genus	Ptychosperma
Taxonomic Synonyms/Past Names
Taxonomic Notes

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Species Information

1. Description

Close-clustering feather-leaved palm growing up to 7.6 m tall, 5 cm in diameter. Stem greyish, crown hemispherical, crownshaft light to olive green. Leaves 90-180 cm long and leaflets up to 45 cm long, arranged irregularly in one plane and with toothed ends. Petioles 30 cm long, erect, arches slightly. Inflorescence much branched below the crownshaft, c. 60 cm long, erect, and bearing cream-coloured flowers. Fruits c. 13 mm across, ovoid, green ripening yellow to red.

2. Tree Size

Medium (10-15 m) Show More

Small (4-10 m) (0)

Medium (10-15 m) (1)

100%

Large (>15 m) (0)

Unknown (0)

3. Full Distribution

Southern Papua New Guinea and Northern Australia

4. Habitat and Ecology

Occurs naturally in rainforests and low swamps

5. Altitude (in meters)

Up to 400 m

6. Landscape Type

Blue-green Corridors, Small Urban Green Spaces Show More

Urban Streets (0)

Blue-green Corridors (1)

100%

Small Urban Green Spaces (1)

100%

Coastal Fronts (0)

Unknown (0)

7. IUCN Conservation Status

Not Evaluated Show More

Not Evaluated (1)

100%

Data Deficient (0)

Least Concern (0)

Near Threatened (0)

Vulnerable (0)

Endangered (0)

Critically Endangered (0)

Extinct in the Wild (0)

Extinct (0)

Unknown (0)

8. Malaysian Red List from MyBIS

Not Evaluated Show More

Not Evaluated (1)

100%

Not Applicable (0)

Data Deficient (0)

Least Concern (0)

Near Threatened (0)

Vulnerable (0)

Endangered (0)

Critically Endangered (0)

Regionally Extinct (0)

Extinct in the Wild (0)

Extinct (0)

Unknown (0)

9. Are more than 100 individuals available in local nurseries?

Yes Show More

Yes (1)

100%

No (0)

Unknown (0)

10. How would you characterise the growth rate of this species?

Medium Show More

Fast (0)

Medium (1)

100%

Slow (0)

Unknown (0)

No Data Found

11. Does this species have an invasive root system?

No Show More

Yes (0)

No (1)

100%

Unknown (0)

No Data Found

It has fibrous roots ^[1]

12. Is this species damaging or does it have staining resin or sap?

No Show More

Yes (0)

No (1)

100%

Unknown (0)

No Data Found

13. Does this species produce large and/or staining fruits?

No Show More

Yes (0)

No (1)

100%

Unknown (0)

No Data Found

14. Does this species produce substances in its bark, leaves, fruits and/or seeds that are poisonous or harmful to humans?

No Show More

Yes (0)

No (1)

100%

Unknown (0)

No Data Found

15. Does this species have specific lighting requirements?

Full sun, Partial shade Show More

Full sun (1)

100%

Partial sun & shade (0)

Full shade (0)

Partial shade (1)

100%

Unknown (0)

No Data Found

16. How would you characterise the air pollution tolerance of this species?

High Show More

Low (0)

Medium (0)

High (1)

100%

Unknown (0)

No Data Found

17. How would you characterise the soil pollution tolerance of this species?

High Show More

Low (0)

Medium (0)

High (1)

100%

Unknown (0)

No Data Found

18. Does this species have specific soil ph requirements?

No Show More

Yes (0)

No (1)

100%

Unknown (0)

No Data Found

pH 6.0-8.0 ^[1]

19. Does this species have specialised habitat requirements?

No Show More

Yes (0)

No (1)

100%

Unknown (0)

No Data Found

20. Does this species occur/survive in habitats prone to saltwater intrusion?

No Show More

Yes (0)

No (1)

100%

Unknown (0)

No Data Found

21. Does this species occur/survive at locations that experience high temperatures?

Unknown Show More

Yes (0)

No (0)

Unknown (1)

100%

No Data Found

22. Can this species tolerate inundation for >1 month?

Yes Show More

Yes (1)

100%

No (0)

Unknown (0)

No Data Found

Grows in moist, dense rainforests, lowland rainforests, riverine gallery forests, monsoon forests, littoral forests, seasonally inundated swamp forests, and brackish mangroves from near sea level to 400 m. ^[1]

Grows in moist, dense rainforests, lowland rainforests, riverine gallery forests, monsoon forests, littoral forests, seasonally inundated swamp forests, and brackish mangroves from near sea level to 400 m. ^[2]

Grows in moist, dense rainforests, lowland rainforests, riverine gallery forests, monsoon forests, littoral forests, seasonally inundated swamp forests, and brackish mangroves from near sea level to 400 m. ^[3]

No Data Found

23. Can this species tolerate water absence for >1 month?

Yes Show More

Yes (1)

100%

No (0)

Unknown (0)

No Data Found

24. Can this species tolerate storm conditions (e.g., strong winds)?

Yes Show More

Yes (1)

100%

No (0)

Unknown (0)

No Data Found

25. Does this species have specific humidity requirements?

No Show More

Yes (0)

No (1)

100%

Unknown (0)

No Data Found

26. Is this species highly prone to predation, parasitism, and/or disease?

No Show More

Yes (0)

No (1)

100%

Unknown (0)

No Data Found

27. Please provide any additional information for this species in the context of climate change resilience and/or vulnerability.

Insufficient Data

28. Does this species have biodiversity value (e.g., provides food or habitat, or increases landscape connectivity for urban fauna)?

Yes Show More

Yes (1)

100%

No (0)

Unknown (0)

No Data Found

29. Does this species have cultural value or provide products that are of some use to humans?

Yes Show More

Yes (1)

100%

No (0)

Unknown (0)

No Data Found

Planted as an ornamental ^[1]

Contributors: anonymous

Last Updated: 2023-03-15

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Ptychosperma macarthurii

Macarthur Palm

Species Information

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