Washingtonia filifera |
 |
| Common
Names |
Desert Fan palm, California
Fan palm, petticoat Palm |
| Family |
Coryphoideae |
| Origin |
California, Arizona |
| Tribe |
Corypheae |
Hardiness
(Zone and Temperature) |
8-11 |
| Typical
Height |
50' |
| Growth
rate |
Moderate |
| Habit |
Solitary, Robust;
canopy of several dozen leaves |
| Trunk |
Brown, fairly thick,
not swollen at base, closely ringed, fissured; clothed with
shag of dead leaves for many years |
|
Leaf Type |
Costapalmate, induplicate;
divided at least halfway into 50-70 pointed segments that bend
and split at the tips with threads in between |
| Foliage |
Grayish-green |
| Leaf
Size |
6-7' wide; segments
3-4' long, 2-3" wide |
| Petiole |
4-6' long, green,
toothed at margin |
| Crown
shaft |
none |
| Inflorescence |
9-15' long, branched,
hanging down from among the leaves |
| Gender |
Bisexual Flowers |
| Flower
Color |
White |
| Fruit
Size/Color |
3/8inch diameter;
brownish black |
| Irritant |
no |
| Salt
Tolerance |
Moderate |
| Drought
Tolerance |
High |
| Soil
Requirements |
Widely Adaptable |
| Light
Requirements |
High |
| Nutrition
Requirements |
nutrition |
| Common
Uses |
Specimen tree; Street
Tree |
| Propagation |
Seed, germinating
in 6 weeks to 2 months |
| Human
Hazards |
Spiny |
| Pests |
None |
| Diseases |
Phytophthora bud rot,
pestalotiopsis, diamond scale |
| Cultivars |
None |
