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Arum
Arisaema triphyllum, close-up of flower
References Rauber A. Observations on the idioblasts of Dieffenbachia. J Toxicol Clin Toxicol 1985;23:79–90.
Arum species Family: Araceae Arum italicum Mill. Arum maculatum L. Arum palaestinum Boiss. Common Names:
Arum italicum: Italian Arum, Italian Lords-and-Ladies Arum maculatum: Adam and Eve, Bobbins, Cuckoopint, Flekkmunkehette, Lords-and-Ladies, Munkehette, Starch Root Arum palaestinum: Arum Sanctum, Black Calla, Solomon’s Lily Description: Arums are stemless plants with 8- to 10-inch ovate leaves and tuberous roots. The showy “flower,” a spathe, is generally dullish purple in the above species and encloses a spike (spadix) on which brilliant red fruits form.