Tilleul , by joan mitchell , 1978 , abstract , Abstract Expressionism style , from Mid Career: 1968–1980 period
A painting of a tree with a yellow background.
A painting of a tree is on a white paper. The tree is black, blue, green and yellow. The branches of the tree are all tangled together. There are yellow splashes of paint on the bottom half of the painting. The painting has a white border around the paper.