: Grows from an underground tuber or rhizome, which can be found as deep as 400mm below ground in mature specimens. Ecological & Biological Behavior
: All parts of the plant are highly poisonous . Contact with skin can cause irritation, while ingestion leads to severe mouth swelling, difficulty breathing, and stomach pain.
Arum maculatum , commonly known as or Cuckoo Pint , is a woodland-dwelling perennial plant native to much of Europe, including the UK. It is widely recognized for its unique flowering structure and its extreme toxicity, containing needle-sharp calcium oxalate crystals that cause immediate pain and swelling if ingested. Key Identification Features arum maculatum
: A specialized structure consisting of a pale green, hood-like spathe enclosing a purple, rod-shaped spadix . It blooms from April to May.
: While poisonous to humans and livestock, birds like blackbirds and thrushes readily eat the berries to disperse seeds. Safety and Toxicity : Grows from an underground tuber or rhizome,
: Large, glossy, and arrow-shaped (3–11 inches long). They often feature distinctive dark purplish-black spots —the basis of its scientific name maculatum —though these spots are not always present.
: It is frequently mistaken for wild garlic (Ramsons) or sorrel . Unlike garlic, Arum leaves have a "border vein" running just inside the edge and do not smell like onions when crushed. Traditional and Modern Uses Arum maculatum , commonly known as or Cuckoo
: Ethnobotanical records from places like Bulgaria and Turkey mention its use for treating hemorrhoids and purulent infections, though WebMD warns there is no scientific evidence to support these uses and the plant is likely unsafe.