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Summary

Iochroma arborescens is a species of flowering plant in the genus Iochroma, belonging to the nightshade family Solanaceae. Formerly it was considered the single species in the monotypic genus Acnistus. Common names include gallinero (= 'henhouse'), mata-gallina (= 'chicken-killer'), fruta-de-sabiá (= 'thrush-fruit'), hollowheart, wild tobacco, siyou, bastard sirio, galán arbóreo, tabaco de monte (= 'mountain tobacco'), nigüito, marieneira, güitite, and tabak djab (= 'devil's tobacco').

Etymology

The former genus name Acnistus has been claimed to be a compound of the Greek prefix 'a-' and Latin 'cnistus' which would give the meaning 'without a crest'. A more likely derivation, however, is from the single Homeric Greek word άκνηστις (pron. 'akneestis' / 'aknistis'), meaning 'backbone', possibly in reference to the backbone-like, white, longitudinal stripes running up the centre of each green patch on the exterior of the corolla.