Abrus precatorius (leaf)
Pan-tropical vine whose LEAVES (distinct from extremely toxic seeds) are sweet-tasting and used in West African and Indian folk medicine as sweetener and for cough, colds, and sore throat. Leaves contain glycyrrhizin-like compounds. Seeds are LETHAL — never use.
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Unknown for leaf use.
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Leaves relatively safe but SEEDS contain abrin — one of most toxic biological substances.
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