En EspaŅol

Q. Who is Mr. Smarty Plants?

A: There are those who suspect Wildflower Center volunteers are the culpable and capable culprits. Yet, others think staff members play some, albeit small, role. You can torture us with your plant questions, but we will never reveal the Green Guru's secret identity.

Help us grow by giving to the Plant Database Fund or by becoming a member

Did you know you can access the Native Plant Information Network with your web-enabled smartphone?

Share

Ask Mr. Smarty Plants

Ask Mr. Smarty Plants is a free service provided by the staff and volunteers at the Lady Bird Johnson Wildflower Center.

Search Smarty Plants
    
 
See a list of all Smarty Plants questions
Can't find the answer in our existing FAQs, submit a question to Mr. Smarty Plants.
Need help with plant identification, visit the plant identification page.
 
rate this answer
2 ratings

Monday - August 18, 2008

From: Los Angeles, CA
Region: California
Topic: Poisonous Plants
Title: Are palm leaves poisonous?
Answered by: Nan Hampton

QUESTION:

Are palm tree leaves poisionous? Because my dad was doing yard work and was stuck by a palm tree leaf in his calf. His calf has swollen and in he thinks it broke off in his calf.

ANSWER:

There are a goodly number of different palm trees in California. Here are just a few:

Washingtonia filifera (California fan palm), native to California

Phoenix canariensis (Canary Island Date Palm), a native of the the Canary Islands

Phoenix spp. (other date palms), various nativities

Brahea edulis (Guadalupe Palm), native to Mexico and Guadalupe Island

Brahea armata (Mexican blue palm), native Baja California

Howea forsteriana (Kentia palm), native to Lord Howe Island, Australia

Archontophoenix cunninghamiana (Bungalow palm), another Australian species

I don't know which species your father was 'attacked' by, but you can read about the dermatological effects caused by various species of palms in the Botanical Dermatology Database (BoDD) from Cardiff University in Wales. They offer an assessment of many of the palms in the Family Arecaceae (syn. Palmae). You will note that their introduction page cites a study in Panama from 1943 that says palm frond thorn injuries (palm species not named) are noted for causing infections. Their entry for Phoenix loureiri (pigmy date palm) says:

"The spine-tip may be broken off and serve as a foreign body but a chemical irritant may also be present in the thorns..."

According to Forests Factsheet. a publication of the State of Victoria, Australia the fronds of Phoenix canariensis (Canary Island Date Palm) are poisonous.

So there is a good chance that the thorn of whichever palm entered your father's leg has some chemical irritant in it. However, whether it does or not, puncture wounds of any kind are notorious for becoming infected. This is why it is important to remove the thorn as soon as possible and thoroughly clean the wound. Read what the Mayo Clinic has to say about puncture wounds.


Washingtonia filifera

Washingtonia filifera

 

 

 

More Poisonous Plants Questions

Are berries from the Carrot Wood Tree toxic to animals?
May 26, 2009 - Hello, I am trying to find out if the berries on the carrot wood tree are toxic to animals - dog?
view the full question and answer

Plant ID of unknown purchased plant from Boise ID
June 24, 2012 - Hi! I bought a tree that the sales person didnt know what it was. I thought it was a cherry tree and now after about 3-4 yrs I know it is but..How do I know if it is an ornamental tree or real fruit t...
view the full question and answer

Can foxglove poison be transmitted to the soil and taken up by another plant
May 29, 2012 - Hi Mr. Smarty Plants, Recently I discovered a Foxglove that had come up after being planted 2 or 3 yrs ago. Next to it I have some medicinal Feverfew growing. (They were so close together I suspec...
view the full question and answer

Toxicity of seeds of Texas Mountain Laurel for dog
April 07, 2007 - I have a Tx Mountain Laurel that is in 1 end of a dog pen. I just heard the seeds are poisonous. Is this true & should we pull the seeds off so the dog can't reach them to eat? Thanks for your assist...
view the full question and answer

Topical treatment for poison ivy rash
November 12, 2008 - I would like to know a topical treatment for the poison ivy rash
view the full question and answer

Smarty Plants's Facebook profile Support the Wildflower Center by Donating Online or Becoming a Member today.

Mr. Smarty Plants wants you to be his Facebook friend. Click the Facebook icon to add yourself to Mr. Smarty Plants list of friends.
E-NEWSLETTER | BECOME A MEMBER | DONATE NOW | MEDIA | SITEMAP | STAFF
© 2015 Lady Bird Johnson Wildflower Center