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alocasia macrorrhiza calcium oxalate

Posted by houstonpat 9a (My Page) on
Mon, Aug 4, 14 at 23:10

I learned a painful lesson. I was cutting back a big clump of this stuff in my backyard Saturday. I never wear gloves. I consider myself a big old tough guy. After throwing a few armloads of Elephant ear into the trash I started ripping out Wandering Jew nearby. I don't know what kinda toxic mess my hand got into, but it felt like I'd shoved my hand into a nest of Fire Ants. I rinsed with the hose, then washed with soap & water, then rubbed with alcohol. Nothing dented the stinging pain. Not unbareable, but certainly very unpleasant. A hot shower helped a bit. Still stung a bit in the morning.
Be advised if you have this or these plants.

Photo below is of seed pod last year.

Follow-Up Postings:

RE: alocasia macrorrhiza calcium oxalate

Aroids (and many other plants) contain calcium oxalate crystals as a defense mechanism. The crystals are needle like and penetrate tissue allowing accompanying toxic substances to enter. We might have the upper hand, but we can't have it all ways. They will fight back!

RE: alocasia macrorrhiza calcium oxalate

Your not the first to learn this experience!

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