Oxalate poisoning
Sorrel, rhubarb leaf, and in chronic use the chaga fungus; the raphides of arum.
Oxalate poisoning: how soon does it show?
Hours; or months, for the slow kind.
How does it run?
Oxalate binds calcium, so the acute poisoning brings cramps and a stopped heart, and the chronic kind blocks the kidneys with crystals.
What is done for it?
Calcium; fluids; dialysis.
Historical and descriptive, not medical advice. In a poisoning, call a poison centre or emergency services.
Which substances in the database cause it?

Plant PurslanePortulaca; Greek andrachne
Portulaca oleracea, a succulent, creeping herb of warm gardens.

PlantWood sorrelOxalis; Irish seamsóg
Oxalis acetosella. A delicate woodland plant with clover-like, sour-tasting leaves of three leaflets and white, veined flowers.
Sources
- Kikuchi, Y., et al. (2014). Clinical Nephrology 81. Abstract read · the text read