Arum Maculatum -

: 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.

: 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

: In Britain, the roasted and ground roots were historically used to produce "Portland Sago," a starch substitute, as heat can neutralize some toxins. : Large, glossy, and arrow-shaped (3–11 inches long)