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''Solanum diphyllum'', commonly known as the twoleaf nightshade, is a species of nightshade native to the Americas. It is cultivated as an ornamental plant for its clusters of dark green round fruits that turn a bright yellow when ripe. ==Taxonomy== Twoleaf nightshades are classified under the subgenus ''Minon''. It belongs to tribe Solaneae, subfamily Solanoideae, under the very large and diverse nightshade family (Solanaceae). They were first described by Carl Linnaeus in his 1753 book ''Species Plantarum''. The forest nightshade (''Solanum nudum'') was originally illegitimately named ''Solanum diphyllum'' by the Spanish botanists Martín Sessé y Lacasta and José Mariano Mociño in 1894, despite the name already being used. Twoleaf nightshades can sometimes be confused with the Jerusalem cherry (''Solanum pseudocapsicum''), another nightshade grown for its brightly colored berries, various synonyms of which were once classified as its cultivars. Perhaps, the closest resemblance of twoleaf nightshades within the genus is a rare species in western Mexico, ''Solanum malacothrix''.〔 Twoleaf nightshades also known as twinleaf nightshades, twin-leaved nightshades, two-leaf nightshades, and other variations. The specific epithet 'diphyllum' means "two leaf", referring to the arrangement of their leaves. They also known by other common names like ''tomatillo'' (not to be confused with the edible ''Physalis philadelphica''), ''amatillo'', and 黄果龙葵 (Huang guo long kui).〔〔〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Solanum diphyllum」の詳細全文を読む スポンサード リンク
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