Ichthyothere
''Ichthyothere'' is a genus of flowering plants, found in parts of South America (the Amazon) and Central America. The name ''ichthyothere'' literally translates as ''fish poison''. These plants' active constituent is a chemical called ichthyothereol, which is a polyyne compound that is highly toxic to fish and mammals. ''Ichthyothere terminalis'' leaves have traditionally been used to make poisoned bait by indigenous peoples of the lower Amazon basin. This genus is characterized by the small capitulum with few (usually one or two) fertile ray florets. It lacks an expanded outer series of herbaceous involucral bracts or phyllaries. These tend to be much reduced. ''Ichthyothere scandens'' and ''Ichthyothere garcia-barrigae'', both found at elevations above 1,000m, belong to a unique subgenus within ''Ichthyothere''. The other species are small herbs with an erect stem, showing tightly clustered or glomerulate groups of capitula. They occur below 1,000 m elevation. Its taxon ...
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