Sabal causiarum
(O.F.Cook) Becc.
Arecaceae
Inodes causiarum O.F.Cook
Inodes glauca Dammer
Sabal haitensis Becc.
Sabal questeliana L.H.Bailey
Common Name: Puerto Rican Hat Palm
Cultivated plant at Marie Selby Botanical Gardens, Sarasota, Florida, USA
Photograph by: Guettarda
General Information
Sabal causiarum is a single-stemmed, evergreen palm growing up to 10 metres tall, exceptionally to 16 metres. The very stout, unbranched stem can be 35 - 70cm in diameter; it is topped by a crown of 20 - 30 fan-shaped leaves 90 - 180cm in diameter on stalks up to 240cm long[
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.
,
768- Title
- Field Guide to the Palms of the Americas
- Publication
-
- Author
- Henderson A.; Galeano G.; Bernal R.
- Publisher
- Princeton University Press; Princeton, New Jersey.
- Year
- 1995
- ISBN
- 0-691-08537-4
- Description
- An excellent book, giving basic information on all the 550 species of palms native to the Americas that were known in 1995. Comprehensive information on the plants range and habitat, brief description, some uses and almost 250 photos.
].
The plant is harvested from the wild for its leaves, which are woven into hats, baskets etc. It is sometimes planted near homes as a source of leaves, and is also quite widely grown as an ornamental throughout the tropics and subtropics[
314- Title
- Palm and Cycad Societies of Australia.
- Publication
-
- Author
-
- Website
- http://www.pacsoa.org.au/
- Publisher
-
- Year
- 0
- ISBN
-
- Description
- Contains at least a little information on the majority of palm and cycad species, plus a wealth of photographs. A first class website.
].
Sabal causiarum is being threatened by increasing development pressure on its suitable habitat and illegal harvest of the plants and seed for the horticulture trade. All known wild subpopulations have no more than 1,000 mature individuals each. The true impact of wild harvest across the species range needs to be established and urgent conservation measures should be established to alleviate wild harvest. The plant is classified as 'Vulnerable' in the IUCN Red List of Threatened Species(2018)[
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
656- Title
- Monocotyledons and Gymnosperms of Puerto Rico and the Virgin Islands
- Publication
- Contributions from the United States National Herbarium. Vol. 52
- Author
- Acevedo-Rodríguez P. & Strong M.T. (Editors)
- Website
- http://www.biodiversitylibrary.org
- Publisher
- Smithsonian Institution; Washington.
- Year
- 2005
- ISBN
- 0097-1618
- Description
- A treatment of the monocots and gymnosperms growing in Puerto Rico and the Virgin Islands. It can be downloaded from the Internet.
,
768- Title
- Field Guide to the Palms of the Americas
- Publication
-
- Author
- Henderson A.; Galeano G.; Bernal R.
- Publisher
- Princeton University Press; Princeton, New Jersey.
- Year
- 1995
- ISBN
- 0-691-08537-4
- Description
- An excellent book, giving basic information on all the 550 species of palms native to the Americas that were known in 1995. Comprehensive information on the plants range and habitat, brief description, some uses and almost 250 photos.
Range
Caribbean - Leeward Islands, Puerto Rico, Dominican Republic, Haiti.
Habitat
Often forming dense and extensive colonies on sandy soils of coastal plains; found at elevations from sea level to 300 metres[
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.
,
768- Title
- Field Guide to the Palms of the Americas
- Publication
-
- Author
- Henderson A.; Galeano G.; Bernal R.
- Publisher
- Princeton University Press; Princeton, New Jersey.
- Year
- 1995
- ISBN
- 0-691-08537-4
- Description
- An excellent book, giving basic information on all the 550 species of palms native to the Americas that were known in 1995. Comprehensive information on the plants range and habitat, brief description, some uses and almost 250 photos.
].
Properties
| Conservation Status | Vulnerable |
| Other Uses Rating |  |
| Habit | Evergreen Tree |
| Height | 8.00 m |
| Cultivation Status | Ornamental, Wild |
Cultivation Details
Grows best in a sunny position[
314- Title
- Palm and Cycad Societies of Australia.
- Publication
-
- Author
-
- Website
- http://www.pacsoa.org.au/
- Publisher
-
- Year
- 0
- ISBN
-
- Description
- Contains at least a little information on the majority of palm and cycad species, plus a wealth of photographs. A first class website.
]. Prefers a well drained soil[
314- Title
- Palm and Cycad Societies of Australia.
- Publication
-
- Author
-
- Website
- http://www.pacsoa.org.au/
- Publisher
-
- Year
- 0
- ISBN
-
- Description
- Contains at least a little information on the majority of palm and cycad species, plus a wealth of photographs. A first class website.
]. Plants are quite drought tolerant once established[
314- Title
- Palm and Cycad Societies of Australia.
- Publication
-
- Author
-
- Website
- http://www.pacsoa.org.au/
- Publisher
-
- Year
- 0
- ISBN
-
- Description
- Contains at least a little information on the majority of palm and cycad species, plus a wealth of photographs. A first class website.
].
Edible Uses
None known
Medicinal
None known
Other Uses
Puerto Rican straw hats are made from the young leaves of this plant, after curing, bleaching, and drying[
447- Title
- Common Trees of Puerto Rico and the Virgin Islands
- Publication
-
- Author
- Little E.L.; Wadsworth F.H.
- Publisher
- USDA, Forest Service; Washington.
- Year
- 1964
- ISBN
-
- Description
- Contains detailed information, and usually an illustration, on 250 tree species, including both native and exotic species.
]. The leaf fibres are employed also for making baskets, mats, and hammocks[
447- Title
- Common Trees of Puerto Rico and the Virgin Islands
- Publication
-
- Author
- Little E.L.; Wadsworth F.H.
- Publisher
- USDA, Forest Service; Washington.
- Year
- 1964
- ISBN
-
- Description
- Contains detailed information, and usually an illustration, on 250 tree species, including both native and exotic species.
,
768- Title
- Field Guide to the Palms of the Americas
- Publication
-
- Author
- Henderson A.; Galeano G.; Bernal R.
- Publisher
- Princeton University Press; Princeton, New Jersey.
- Year
- 1995
- ISBN
- 0-691-08537-4
- Description
- An excellent book, giving basic information on all the 550 species of palms native to the Americas that were known in 1995. Comprehensive information on the plants range and habitat, brief description, some uses and almost 250 photos.
].
The older leaves serve as thatch[
447- Title
- Common Trees of Puerto Rico and the Virgin Islands
- Publication
-
- Author
- Little E.L.; Wadsworth F.H.
- Publisher
- USDA, Forest Service; Washington.
- Year
- 1964
- ISBN
-
- Description
- Contains detailed information, and usually an illustration, on 250 tree species, including both native and exotic species.
].
Propagation
Seed -
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Useful Tropical Plants Database 2014 by
Ken Fern,
web interface by
Ajna Fern
with help from
Richard Morris.
