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Useful Temperate Plants

Washingtonia filifera

(Rafarin) H.Wendl. ex de Bary

Arecaceae

+ Synonyms

Brahea dulcis J.G.Cooper

Brahea filamentosa H.Wendl.

Brahea filifera (Rafarin) W.Watson

Livistona filamentosa (H.Wendl. ex Franceschi) R.Pfister

Neowashingtonia filamentosa (H.Wendl. ex Franceschi) Sudw.

Neowashingtonia filifera (Rafarin) Sudw.

Pritchardia filamentosa H.Wendl. ex Franceschi

Pritchardia filifera Rafarin

Washingtonia filamentosa (H.Wendl. ex Franceschi) Kuntze

Common Name: Desert Fan Palm

No Image.

General Information

Washingtonia filifera is an evergreen palm tree producing a single, unbranched stem that can be 100 - 150cm in diameter. The stem is topped by a crown of fan-shaped leaves 100 - 200cm wide on petioles 100 - 200cm long; the tree can grow up to 20 metres tall[
277
Title
Plants Database
Publication
 
Author
 
Website
http://plants.usda.gov/java/factSheet
Publisher
United States Department of Agriculture
Year
0
ISBN
 
Description
An online database with an excellent collection of fact sheets about native N. American plants.
].
The tree is harvested from the wild for local use as a food and source of materials. It is commonly grown as an ornamental in gardens.
The plant is classified as 'Near Threatened' in the IUCN Red List of Threatened Species(2013)[
338
Title
IUCN Red List of Threatened Species
Publication
 
Author
 
Website
http://www.iucnredlist.org/
Publisher
 
Year
0
ISBN
 
Description
A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat.
].

Known Hazards

None known

Botanical References

71
Title
A California Flora.
Publication
 
Author
Munz P.A. & Keck D.D.
Publisher
University of California Press; Los Angeles
Year
1959
ISBN
-
Description
An excellent flora but no pictures. Not for the casual reader.

Range

South-western N. America - southern California, western Arizona, northwest Mexico (Baja California).

Habitat

Often forming pure stands, growing in extensive groves or small isolated clumps in moist alkaline spots in rocky canyons about seeps, springs and streams; at elevations below 1,500 metres[
71
Title
A California Flora.
Publication
 
Author
Munz P.A. & Keck D.D.
Publisher
University of California Press; Los Angeles
Year
1959
ISBN
-
Description
An excellent flora but no pictures. Not for the casual reader.
,
82
Title
Manual of the Trees of N. America.
Publication
 
Author
Sargent. C. S.
Website
http://www.biodiversitylibrary.org/
Publisher
Dover Publications Inc. New York.
Year
1965
ISBN
0-486-20278-X
Description
Two volumes, a comprehensive listing of N. American trees though a bit out of date now. Good details on habitats, some details on plant uses. Not really for the casual reader. It can be downloaded from the internet.
,
166
Title
The Milder Garden.
Publication
 
Author
Taylor. J.
Publisher
Dent
Year
1990
ISBN
 
Description
A good book on plants that you didn't know could be grown outdoors in Britain.
,
277
Title
Plants Database
Publication
 
Author
 
Website
http://plants.usda.gov/java/factSheet
Publisher
United States Department of Agriculture
Year
0
ISBN
 
Description
An online database with an excellent collection of fact sheets about native N. American plants.
].

Properties

Conservation StatusNear Threatened
Edibility Rating *  *
Other Uses Rating *  *  *
HabitEvergreen Tree
Height12.00 m
Growth RateMedium
Cultivation StatusOrnamental, Wild

Cultivation Details

Washingtonia filifera is a plant of semi-arid climates with hot, mainly dry summers and cool to cold moist winters. It can tolerate light frosts and should succeed outdoors in the mildest parts of the temperate zone[
166
Title
The Milder Garden.
Publication
 
Author
Taylor. J.
Publisher
Dent
Year
1990
ISBN
 
Description
A good book on plants that you didn't know could be grown outdoors in Britain.
,
1050
Title
Fire Effects Information System
Publication
 
Author
 
Website
http://www.feis-crs.org/feis/
Publisher
 
Year
0
ISBN
 
Description
An on-line information site with comprehensive information on over 1,100 species of plant. Mainly developed to supply information on the effects of fire on plants and animals, it also contains a wealth of other information on the plants
]. Plants have been known to tolerate short-lived lows down to about -17°c so long as the climate is dry[
231
Title
Palms for Cooler Climates.
Publication
 
Author
McMillan-Browse. P.
Publisher
Trebah Enterprises.
Year
1993
ISBN
0 9521952 0 8
Description
An excellent little booklet on the subject, though it does not mention many plant uses.
,
1050
Title
Fire Effects Information System
Publication
 
Author
 
Website
http://www.feis-crs.org/feis/
Publisher
 
Year
0
ISBN
 
Description
An on-line information site with comprehensive information on over 1,100 species of plant. Mainly developed to supply information on the effects of fire on plants and animals, it also contains a wealth of other information on the plants
]. Average annual precipitation can range from 80 - 200mm[
1050
Title
Fire Effects Information System
Publication
 
Author
 
Website
http://www.feis-crs.org/feis/
Publisher
 
Year
0
ISBN
 
Description
An on-line information site with comprehensive information on over 1,100 species of plant. Mainly developed to supply information on the effects of fire on plants and animals, it also contains a wealth of other information on the plants
].
Requires a sheltered sunny position in a fertile moist but well-drained soil[
188
Title
The RHS Gardener's Encyclopedia of Plants and Flowers
Publication
 
Author
Brickell. C.
Publisher
Dorling Kindersley Publishers Ltd.
Year
1990
ISBN
0-86318-386-7
Description
Excellent range of photographs, some cultivation details but very little information on plant uses.
,
231
Title
Palms for Cooler Climates.
Publication
 
Author
McMillan-Browse. P.
Publisher
Trebah Enterprises.
Year
1993
ISBN
0 9521952 0 8
Description
An excellent little booklet on the subject, though it does not mention many plant uses.
]. Plants are often found in soil with a high pH, often around 9.2 or higher[
1050
Title
Fire Effects Information System
Publication
 
Author
 
Website
http://www.feis-crs.org/feis/
Publisher
 
Year
0
ISBN
 
Description
An on-line information site with comprehensive information on over 1,100 species of plant. Mainly developed to supply information on the effects of fire on plants and animals, it also contains a wealth of other information on the plants
]. Tolerates some salt in the soil[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
] and maritime exposure in climates that are warmer than Britain[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
]. Plants can tolerate extensive droughts so long as their roots have tapped into underground water supplies[
231
Title
Palms for Cooler Climates.
Publication
 
Author
McMillan-Browse. P.
Publisher
Trebah Enterprises.
Year
1993
ISBN
0 9521952 0 8
Description
An excellent little booklet on the subject, though it does not mention many plant uses.
].
This species has an extensive and fleshy but strong root system that can penetrate to a considerable depth in search of water[
231
Title
Palms for Cooler Climates.
Publication
 
Author
McMillan-Browse. P.
Publisher
Trebah Enterprises.
Year
1993
ISBN
0 9521952 0 8
Description
An excellent little booklet on the subject, though it does not mention many plant uses.
]. It generally establishes best when planted out at a young stage. However, older plants are substantially more cold tolerant than juvenile plants[
231
Title
Palms for Cooler Climates.
Publication
 
Author
McMillan-Browse. P.
Publisher
Trebah Enterprises.
Year
1993
ISBN
0 9521952 0 8
Description
An excellent little booklet on the subject, though it does not mention many plant uses.
]. In areas at the limit of their cold tolerance, therefore, it is prudent to grow the plants in containers for some years, giving them winter protection, and only planting them into their permanent positions when sheer size dictates[
231
Title
Palms for Cooler Climates.
Publication
 
Author
McMillan-Browse. P.
Publisher
Trebah Enterprises.
Year
1993
ISBN
0 9521952 0 8
Description
An excellent little booklet on the subject, though it does not mention many plant uses.
]. Palms can also be transplanted even when very large. Although the thick fleshy roots are easily damaged and/or desiccated, new roots are generally freely produced. It is important to stake the plant very firmly to prevent rock, and also to give it plenty of water until re-established - removing many of the leaves can also help[
231
Title
Palms for Cooler Climates.
Publication
 
Author
McMillan-Browse. P.
Publisher
Trebah Enterprises.
Year
1993
ISBN
0 9521952 0 8
Description
An excellent little booklet on the subject, though it does not mention many plant uses.
].
Plants produce a 'skirt' of old dead leaves, this can be a fire hazard and the old leaves are usually removed when being grown in areas liable to forest fires[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].
The trees are fire resistant. They are rarely killed by either the inital burning of their shag or by subsequent burnings. Burning experiments show that their fibrous trunks are difficult to ignite and almost impossible to flame[
1050
Title
Fire Effects Information System
Publication
 
Author
 
Website
http://www.feis-crs.org/feis/
Publisher
 
Year
0
ISBN
 
Description
An on-line information site with comprehensive information on over 1,100 species of plant. Mainly developed to supply information on the effects of fire on plants and animals, it also contains a wealth of other information on the plants
]..
A fast growing tree, even when young, in its native environment and very tolerant of transplanting despite its deep root system[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].

Edible Uses

Fruit - raw or cooked or dried for later use[
2
Title
Sturtevant's Edible Plants of the World.
Publication
 
Author
Hedrick. U. P.
Publisher
Dover Publications
Year
1972
ISBN
0-486-20459-6
Description
Lots of entries, quite a lot of information in most entries and references.
,
46
Title
Dictionary of Economic Plants.
Publication
 
Author
Uphof. J. C. Th.
Publisher
Weinheim
Year
1959
ISBN
-
Description
An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.
,
161
Title
Food Plants of the N. American Indians. Publication no. 237.
Publication
 
Author
Yanovsky. E.
Publisher
U.S. Depf of Agriculture.
Year
 
ISBN
-
Description
A comprehensive but very terse guide. Not for the casual reader.
,
177
Title
Plants for Human Consumption.
Publication
 
Author
Kunkel. G.
Publisher
Koeltz Scientific Books
Year
1984
ISBN
3874292169
Description
An excellent book for the dedicated. A comprehensive listing of Latin names with a brief list of edible parts.
,
257
Title
Native American Ethnobotany
Publication
 
Author
Moerman. D.
Publisher
Timber Press. Oregon.
Year
1998
ISBN
0-88192-453-9
Description
Very comprehensive but terse guide to the native uses of plants. Excellent bibliography, fully referenced to each plant, giving a pathway to further information. Not for the casual reader.
]. It can be made into jellies and drinks or dried and ground into a meal[
46
Title
Dictionary of Economic Plants.
Publication
 
Author
Uphof. J. C. Th.
Publisher
Weinheim
Year
1959
ISBN
-
Description
An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.
,
183
Title
Cornucopia - A Source Book of Edible Plants.
Publication
 
Author
Facciola. S.
Publisher
Kampong Publications
Year
1990
ISBN
0-9628087-0-9
Description
Excellent. Contains a very wide range of conventional and unconventional food plants (including tropical) and where they can be obtained (mainly N. American nurseries but also research institutes and a lot of other nurseries from around the world.
]. The seed can be ground up with the dried fruit and then both are eaten as a porridge[
246
Title
AM
Publication
 
Author
Radio 4
Publisher
-
Year
1997
ISBN
-
Description
A news item on the Radio 4 morning news programme 'AM', 15/10/97.
]. The fruit is small and hard[
213
Title
Earth Medicine, Earth Food.
Publication
 
Author
Weiner. M. A.
Publisher
Ballantine Books
Year
1980
ISBN
0-449-90589-6
Description
A nice book to read though it is difficult to look up individual plants since the book is divided into separate sections dealing with the different medicinal uses plus a section on edible plants. Common names are used instead of botanical.
], but has a thin sweet pulp that tastes somewhat like dates[
183
Title
Cornucopia - A Source Book of Edible Plants.
Publication
 
Author
Facciola. S.
Publisher
Kampong Publications
Year
1990
ISBN
0-9628087-0-9
Description
Excellent. Contains a very wide range of conventional and unconventional food plants (including tropical) and where they can be obtained (mainly N. American nurseries but also research institutes and a lot of other nurseries from around the world.
,
213
Title
Earth Medicine, Earth Food.
Publication
 
Author
Weiner. M. A.
Publisher
Ballantine Books
Year
1980
ISBN
0-449-90589-6
Description
A nice book to read though it is difficult to look up individual plants since the book is divided into separate sections dealing with the different medicinal uses plus a section on edible plants. Common names are used instead of botanical.
]. The ovoid fruit is about 6mm long and 4mm wide[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].

Young central bud - roasted[
46
Title
Dictionary of Economic Plants.
Publication
 
Author
Uphof. J. C. Th.
Publisher
Weinheim
Year
1959
ISBN
-
Description
An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.
,
177
Title
Plants for Human Consumption.
Publication
 
Author
Kunkel. G.
Publisher
Koeltz Scientific Books
Year
1984
ISBN
3874292169
Description
An excellent book for the dedicated. A comprehensive listing of Latin names with a brief list of edible parts.
,
183
Title
Cornucopia - A Source Book of Edible Plants.
Publication
 
Author
Facciola. S.
Publisher
Kampong Publications
Year
1990
ISBN
0-9628087-0-9
Description
Excellent. Contains a very wide range of conventional and unconventional food plants (including tropical) and where they can be obtained (mainly N. American nurseries but also research institutes and a lot of other nurseries from around the world.
]. Harvesting this central bud will kill the tree since it is unable to make side branches[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].

Young leaf bases - raw or cooked[
161
Title
Food Plants of the N. American Indians. Publication no. 237.
Publication
 
Author
Yanovsky. E.
Publisher
U.S. Depf of Agriculture.
Year
 
ISBN
-
Description
A comprehensive but very terse guide. Not for the casual reader.
,
177
Title
Plants for Human Consumption.
Publication
 
Author
Kunkel. G.
Publisher
Koeltz Scientific Books
Year
1984
ISBN
3874292169
Description
An excellent book for the dedicated. A comprehensive listing of Latin names with a brief list of edible parts.
].

Seed - cooked. It can be ground into a powder and used for making bread or porridge[
161
Title
Food Plants of the N. American Indians. Publication no. 237.
Publication
 
Author
Yanovsky. E.
Publisher
U.S. Depf of Agriculture.
Year
 
ISBN
-
Description
A comprehensive but very terse guide. Not for the casual reader.
,
183
Title
Cornucopia - A Source Book of Edible Plants.
Publication
 
Author
Facciola. S.
Publisher
Kampong Publications
Year
1990
ISBN
0-9628087-0-9
Description
Excellent. Contains a very wide range of conventional and unconventional food plants (including tropical) and where they can be obtained (mainly N. American nurseries but also research institutes and a lot of other nurseries from around the world.
].

Medicinal

None known

Agroforestry Uses:

The plant serves as an indicator species, denoting sources of year-round surface water in the desert; it is found near
seeps, springs, and streams. It also occurs in canyons where water is channeled from nearby mountains, in alluvial fan edges wheregroundwater is trapped by bedrock, and where water percolates through rock fractures caused by earthquake faulting[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
,
1050
Title
Fire Effects Information System
Publication
 
Author
 
Website
http://www.feis-crs.org/feis/
Publisher
 
Year
0
ISBN
 
Description
An on-line information site with comprehensive information on over 1,100 species of plant. Mainly developed to supply information on the effects of fire on plants and animals, it also contains a wealth of other information on the plants
].

Other Uses

A fibre from the leaves is used in basket making and for cordage[
46
Title
Dictionary of Economic Plants.
Publication
 
Author
Uphof. J. C. Th.
Publisher
Weinheim
Year
1959
ISBN
-
Description
An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.
,
169
Title
A Weavers Garden
Publication
 
Author
Buchanan. R.
Publisher
McGraw-Hill Contemporary
Year
1987
ISBN
0934026289
Description
Covers all aspects of growing your own clothes, from fibre plants to dyes.
]. It has been used to make clothes and sandals[
277
Title
Plants Database
Publication
 
Author
 
Website
http://plants.usda.gov/java/factSheet
Publisher
United States Department of Agriculture
Year
0
ISBN
 
Description
An online database with an excellent collection of fact sheets about native N. American plants.
,
1050
Title
Fire Effects Information System
Publication
 
Author
 
Website
http://www.feis-crs.org/feis/
Publisher
 
Year
0
ISBN
 
Description
An on-line information site with comprehensive information on over 1,100 species of plant. Mainly developed to supply information on the effects of fire on plants and animals, it also contains a wealth of other information on the plants
].

The whole leaves are woven and used as the side walls and roofs of huts and temporary dwellings[
46
Title
Dictionary of Economic Plants.
Publication
 
Author
Uphof. J. C. Th.
Publisher
Weinheim
Year
1959
ISBN
-
Description
An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.
,
257
Title
Native American Ethnobotany
Publication
 
Author
Moerman. D.
Publisher
Timber Press. Oregon.
Year
1998
ISBN
0-88192-453-9
Description
Very comprehensive but terse guide to the native uses of plants. Excellent bibliography, fully referenced to each plant, giving a pathway to further information. Not for the casual reader.
]. The leaves can be used for matting, as a stuffing material and for rough ropemaking[
277
Title
Plants Database
Publication
 
Author
 
Website
http://plants.usda.gov/java/factSheet
Publisher
United States Department of Agriculture
Year
0
ISBN
 
Description
An online database with an excellent collection of fact sheets about native N. American plants.
].

The seeds have been used as the rattle in gourd rattles[
257
Title
Native American Ethnobotany
Publication
 
Author
Moerman. D.
Publisher
Timber Press. Oregon.
Year
1998
ISBN
0-88192-453-9
Description
Very comprehensive but terse guide to the native uses of plants. Excellent bibliography, fully referenced to each plant, giving a pathway to further information. Not for the casual reader.
].

The fruit stalks have been used as fire drills[
277
Title
Plants Database
Publication
 
Author
 
Website
http://plants.usda.gov/java/factSheet
Publisher
United States Department of Agriculture
Year
0
ISBN
 
Description
An online database with an excellent collection of fact sheets about native N. American plants.
].

Wood - light and soft[
82
Title
Manual of the Trees of N. America.
Publication
 
Author
Sargent. C. S.
Website
http://www.biodiversitylibrary.org/
Publisher
Dover Publications Inc. New York.
Year
1965
ISBN
0-486-20278-X
Description
Two volumes, a comprehensive listing of N. American trees though a bit out of date now. Good details on habitats, some details on plant uses. Not really for the casual reader. It can be downloaded from the internet.
]. It has been used for making cooking implements, spoons etc[
257
Title
Native American Ethnobotany
Publication
 
Author
Moerman. D.
Publisher
Timber Press. Oregon.
Year
1998
ISBN
0-88192-453-9
Description
Very comprehensive but terse guide to the native uses of plants. Excellent bibliography, fully referenced to each plant, giving a pathway to further information. Not for the casual reader.
]. The leaf petioles are used for making spoons and hunting bows etc[
1050
Title
Fire Effects Information System
Publication
 
Author
 
Website
http://www.feis-crs.org/feis/
Publisher
 
Year
0
ISBN
 
Description
An on-line information site with comprehensive information on over 1,100 species of plant. Mainly developed to supply information on the effects of fire on plants and animals, it also contains a wealth of other information on the plants
].
The wood is used as kindling[
1050
Title
Fire Effects Information System
Publication
 
Author
 
Website
http://www.feis-crs.org/feis/
Publisher
 
Year
0
ISBN
 
Description
An on-line information site with comprehensive information on over 1,100 species of plant. Mainly developed to supply information on the effects of fire on plants and animals, it also contains a wealth of other information on the plants
].

Propagation

Seed - best sown as soon as it is ripe in a greenhouse. Pre-soaking for 24 hours in warm water may speed up germination, especially of stored seed[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
]. Germination can take 4 - 15 weeks to germinate. Seeds that have passed through an animal's digestive tract usually germinate faster and more easily[
277
Title
Plants Database
Publication
 
Author
 
Website
http://plants.usda.gov/java/factSheet
Publisher
United States Department of Agriculture
Year
0
ISBN
 
Description
An online database with an excellent collection of fact sheets about native N. American plants.
]. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for at least their first two winters. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts. Give the plants some protection from the cold for at least their first two winters outdoors.
Cite as: Temperate Plants Database, Ken Fern. temperate.theferns.info. 2018-12-13. <temperate.theferns.info/plant/Washingtonia+filifera>

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