Mixed Up About Manchineel?

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Our fantastic nature columnist Gail Karlsson wrote a very interesting and important piece about Manchineel trees and similar looking trees on the island. Check it out and stay safe out there.

manchineel warning sign on road to Annaberg

By Gail Karlsson

St. John Tradewinds
The most famous sign on St. John is probably the ominous red board (above) on the road to Annaberg that says “Warning! Manchineel Tree.”
According to the sign, Christopher Columbus described its small green fruits as “death apples.” Diego Alvarez Chanca, a Spanish doctor who sailed with him in 1493, noted that: “There were wild fruits of various kinds, some of which our men, not very prudently, tasted; and on only touching them with their tongues, their mouths and cheeks became swollen, and they suffered such a great heat and pain.”
Its sap is very caustic as well, and was reportedly used by the Caribs to poison their arrows. The Spanish explorer Ponce de Leon is said to have suffered a long and painful death in 1521 after being hit by one of those poisoned arrows when he attempted to occupy territory in what is now Florida.
Given this history, you would think that everyone would learn what this tree and its death apples look like. Sadly, that is not so.
I recently heard that a small child took a bite from one of the little apples and suffered a sore mouth and swollen throat as a result. The fruit tastes sweet at first, and then quickly you start to feel the burn. Usually the symptoms go away after a few painful hours, especially if the person spits it out right away rather than swallowing it.
My friend Suki Buchalter, who is working with me on the Unitarian Universalist Fellowship’s tree identification project, suggested that we should help tell people how to recognize manchineel trees, because they grow other places on St. John than on the Annaberg Road and those are not marked.
One thing she was concerned about was that some people were being told that the manchineel has heart-shaped leaves – which is not correct. My husband said he had heard that also.
So I went out to Annaberg to check out the marked manchineel tree for myself. Honestly, the situation there is confusing because there is a maho tree — which does have heart-shaped leaves — intertwined with the manchineel. Meanwhile you could hardly see any leaves from the manchineel because it is so tall that you have to look very far up to even get a glimpse of them.

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manchineel leaf  (above)

 

 

maho leaf
maho leaf (above)

Compounding the confusion was the fact that both the maho and the manchineel had small green fruits on them that looked pretty much the same from down below. All in all, I could see why a casual observer would conclude that the manchineel apple tree has heart-shaped leaves.
I carefully picked a few of the fruits that had fallen around the tree. Some were from the maho and some were manchineel apples. Even on the ground they looked similar if the maho fruits were lying butt up, though the maho fruit is not round if you see it from the stem side.
When I got home, I realized that the manchineel apples in my specimen bag looked just like a fruit I had picked up a few days before on the shoreline near my house. I had never seen fruit on the ground there before, so I took one home. All I could see in the area were maho trees and red mangroves. I thought maybe it could be a maho fruit that had gotten soft and round, since at that point I had never really examined a ripe one close up.

manchineel apple and maho fruit top
There was the little green fruit sitting on the counter when I got back from Annaberg. Now I could see that it was definitely a manchineel apple. Warning my husband not to bite into any of my specimens, I went back on the shoreline trail by my house and saw what I decided was the trunk of a manchineel tree. I still couldn’t make out any leaves, or fruit on the tree, because it was so tall and obscured by the nearby maho trees.
Later I went back and put a sign on the tree warning other people not to pick up the fruit lying on the ground.

manchineel and maho butts

2 COMMENTS

  1. This is a great, much needed article – thank you! About 10 years ago, when my brother was about 4 years old he and my mom took a bite out of a manchineel apple from a tree at Salt Pond. They suffered for a few hours with the burning in their throat just like the author wrote, but eventually it went away and they survived just fine! I was glad to see the comparison between the Maho tree leaves and the manchineel leaves – just recently my friend and I were at Maho Bay and argued about whether the trees above us were Manchineel or not. She insisted that because they were heart-shaped leaves it was a Manchineel. Glad to know I was right – and turns out – it was a Maho tree on Maho beach!