花活。ペチュニアには中学時代に育てた思い出があるので調べたらこんな文章が Petunia is genus of 20 species of flowering plants of South American origin. The popular flower of the same name derived its epithet from the French, which took the word petun, meaning "tobacco," from a Tupi–Guarani language. An annual, most of the varieties seen in gardens are hybrids. また学べて嬉しい。