Arum Maculatum Access

: 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

: In Britain, the roasted and ground roots were historically used to produce "Portland Sago," a starch substitute, as heat can neutralize some toxins. arum maculatum

: Thrives in moist, fertile soils, typically in deciduous woodlands, hedgerows, and shady garden corners.

: 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 : All parts of the plant are highly poisonous

: Grows from an underground tuber or rhizome, which can be found as deep as 400mm below ground in mature specimens. Ecological & Biological Behavior

: A specialized structure consisting of a pale green, hood-like spathe enclosing a purple, rod-shaped spadix . It blooms from April to May. It is widely recognized for its unique flowering

: Following the flower, the plant produces a spike of berries that transition from green to a striking bright orange-red by late summer.