No Data Found
Casuarina equisetifolia
Casuarina, Rhu
| Species Name | Casuarina equisetifolia |
|---|---|
| Common Name | Casuarina, Rhu |
| Family | Casuarinaceae |
| Genus | Casuarina |
| Taxonomic Synonyms/Past Names | |
| Taxonomic Notes |
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Species Information
1. Description
- Evergreen tree growing up to 30 m tall. Narrowly conical crown when young eventually becomes irregular and untidy with ascending main branches. Leaves are tiny scales arranged in whorls of 7-8 at intervals of c. 1 cm along flexible and pendulous green twigs resembling pine needles. Flowers minute and unisexual, with males and females in different clusters. Male flowers in simple spikes, female flowers in globular and dense heads. Fruits c. 0.5 cm in diameter and found in cone-like heads.
2. Tree Size
Large (>15 m)
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Small (4-10 m) (0)
Medium (10-15 m) (0)
Large (>15 m) (1)
Unknown (0)
3. Full Distribution
- Southern Thailand, throughout Malaysia, Indonesia, the Philippines, North and East Australia, Melanesia, and Polynesia
4. Habitat and Ecology
- Common along coastal beaches
5. Altitude (in meters)
- Mainly found on beaches or near the coast on sandy soils up to 20 m altitude.
6. Landscape Type
Coastal Fronts
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Urban Streets (0)
Blue-green Corridors (0)
Small Urban Green Spaces (0)
Coastal Fronts (1)
Unknown (0)
7. IUCN Conservation Status
Least Concern
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Not Evaluated (0)
Data Deficient (0)
Least Concern (1)
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
Least Concern
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Not Evaluated (0)
Not Applicable (0)
Data Deficient (0)
Least Concern (1)
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
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Yes (1)
No (0)
Unknown (0)
10. How would you characterise the growth rate of this species?
Fast
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Fast (1)
Medium (0)
Slow (0)
Unknown (0)
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11. Does this species have an invasive root system?
No
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Yes (0)
No (1)
Unknown (0)
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12. Is this species damaging or does it have staining resin or sap?
No
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Yes (0)
No (1)
Unknown (0)
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13. Does this species produce large and/or staining fruits?
No
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Yes (0)
No (1)
Unknown (0)
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14. Does this species produce substances in its bark, leaves, fruits and/or seeds that are poisonous or harmful to humans?
No
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Yes (0)
No (1)
Unknown (0)
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15. Does this species have specific lighting requirements?
Full sun
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Full sun (1)
Partial sun & shade (0)
Full shade (0)
Partial shade (0)
Unknown (0)
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16. How would you characterise the air pollution tolerance of this species?
High
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Low (0)
Medium (0)
High (1)
Unknown (0)
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- It is an evergreen tree recommended for planting along roadsides due to its aesthetic effect and tolerance to air pollution. Evergreen trees are also reported to have better filtration effects than deciduous ones. [1]
17. How would you characterise the soil pollution tolerance of this species?
High
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Low (0)
Medium (0)
High (1)
Unknown (0)
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18. Does this species have specific soil ph requirements?
No
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Yes (0)
No (1)
Unknown (0)
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- pH 5.5-7.0 [1]
19. Does this species have specialised habitat requirements?
No
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Yes (0)
No (1)
Unknown (0)
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20. Does this species occur/survive in habitats prone to saltwater intrusion?
Yes
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Yes (1)
No (0)
Unknown (0)
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- Occurs in coastal areas. [1]
21. Does this species occur/survive at locations that experience high temperatures?
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22. Can this species tolerate inundation for >1 month?
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23. Can this species tolerate water absence for >1 month?
Yes
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Yes (1)
No (0)
Unknown (0)
- Specimens in urban areas were tolerant of dry spells lasting three weeks and should be able to survive for one month.
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24. Can this species tolerate storm conditions (e.g., strong winds)?
Yes
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Yes (1)
No (0)
Unknown (0)
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25. Does this species have specific humidity requirements?
No
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Yes (0)
No (1)
Unknown (0)
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26. Is this species highly prone to predation, parasitism, and/or disease?
No
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Yes (0)
No (1)
Unknown (0)
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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
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Yes (1)
No (0)
Unknown (0)
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29. Does this species have cultural value or provide products that are of some use to humans?
Yes
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Yes (1)
No (0)
Unknown (0)
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- Has medicinal uses. The wood is used for house posts, rafters, and electric poles. [1]
Contributors: anonymous
Last Updated: 2023-03-15
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