In Portrett av kunstnerens mor, Amaldus Nielsen captures his mother with a warm and intimate expression. The color palette is soft, featuring earthy tones that create a sense of comfort. The background is understated, allowing the viewer to focus on the figure of the mother.

Her attire is simple yet elegant, reflecting a sense of dignity and grace. The painting is executed in oil on canvas, a medium that allows for rich color and texture. Nielsen's brushwork is careful and deliberate, enhancing the lifelike quality of his mother’s features. The use of light and shadow adds depth, making the portrait feel three-dimensional.

The dimensions are approximately 60 x 80 cm, making it a modestly sized work. Amaldus Nielsen was a prominent Norwegian painter known for his realistic portrayals of everyday life. This portrait of his mother is a personal piece, showcasing his affection and respect for her. Interestingly, Nielsen often painted family members, which reflects his belief in the importance of personal connections in art.

This work is a testament to his skill in capturing the essence of his subjects.