This is one of the first masterpieces of what was to eventually be called Expressionism; in fact, a lot of Van Gogh’s oeuvre (starting especially around the gladioli and other floral still lifes of 1886) exemplifies, and even creates, that style. [http://dappledwithshadow.com/post/136146134403/vincent-van-gogh-agostina-sagatori-sitting-in-the]