No Data Found
Washingtonia filifera
California Fan Palm, Desert Fan Palm, Petticoat Palm, Cotton Palm
Intermediate Sensitivity
| Species Name | Washingtonia filifera |
|---|---|
| Common Name | California Fan Palm, Desert Fan Palm, Petticoat Palm, Cotton Palm |
| Family | Arecaceae |
| Genus | Washingtonia |
| Taxonomic Synonyms/Past Names | |
| Taxonomic Notes |
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Species Information
1. Description
- Solitary fan-leaved palm growing up to 18 m tall, 90-120 cm in diameter, with a swollen base. Unless trimmed, the trunk has a skirt of dead leaves. Crown with c. 30 leaves, roundish. Leaf blades circular in outline, segments with pendulous tips, conjoined for less than half their lengths and accompanied by threads between each. Petioles c. 1.8 m long, armed with curved thorns at the margins. Inflorescence grows from the crown and extends beyond it. Flowers white, bisexual. Fruits c. 6 mm across, globose, maturing black.
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
- California, western Arizona and north-eastern Baja California
4. Habitat and Ecology
- It grows naturally along streams and near natural springs
5. Altitude (in meters)
- Up to 1500 m
6. Landscape Type
Urban Streets, Coastal Fronts
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Urban Streets (1)
Blue-green Corridors (0)
Small Urban Green Spaces (0)
Coastal Fronts (1)
Unknown (0)
7. IUCN Conservation Status
Near Threatened
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Not Evaluated (0)
Data Deficient (0)
Least Concern (0)
Near Threatened (1)
Vulnerable (0)
Endangered (0)
Critically Endangered (0)
Extinct in the Wild (0)
Extinct (0)
Unknown (0)
8. Malaysian Red List from MyBIS
Not Evaluated
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Not Evaluated (1)
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?
10. How would you characterise the growth rate of this species?
Medium
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Fast (0)
Medium (1)
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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- Fruits are berries or drupes [1]
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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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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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?
No
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Yes (0)
No (1)
Unknown (0)
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21. Does this species occur/survive at locations that experience high temperatures?
Yes
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Yes (1)
No (0)
Unknown (0)
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- Occurs naturally in the desert. [1]
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)
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- It is drought tolerant. [1]
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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- The fruit pulp is sweet and edible [1]
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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- The fruit was eaten raw, cooked, or ground into flour for cakes by Native Americans. The leaves are used for thatching roofs and making sandals and baskets. [1]
Contributors: anonymous
Last Updated: 2023-03-15
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