Arum

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Related to arums: Cuckoo pint, wild arum

Arum

a genus of the family Araceae which contains many ornamental plants. Includes A. italicum, A. maculatum. Causes intense irritation to the oral mucosa, thought to be due to oxalate raphide crystals in the plant. Called also arum lily, cuckoopint, lords-and-ladies.
References in periodicals archive ?
The dead-horse arum of Corsica looks and smells like the south end of a horse that died going north," says Roger Seymour.
The dead-horse arum outdoes all the others, says Seymour, who's at the University of Adelaide in Australia.
Consider the dead-horse arum, Helicodiceros muscivorus.