Arum Maculatum May 2026
: In Britain, the roasted and ground roots were historically used to produce "Portland Sago," a starch substitute, as heat can neutralize some toxins.
: The plant is "thermogenic," meaning it generates heat and emits a foul, dung-like odor to attract flies (specifically Psychoda phalaenoides ) for pollination. arum maculatum
: Grows from an underground tuber or rhizome, which can be found as deep as 400mm below ground in mature specimens. Ecological & Biological Behavior : In Britain, the roasted and ground roots
: 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. Ecological & Biological Behavior : Large, glossy, and
: While poisonous to humans and livestock, birds like blackbirds and thrushes readily eat the berries to disperse seeds. Safety and Toxicity