A small harvest mouse of Mexico's high mountains. It has long, soft golden-brown fur and a tail that differs in color above and below.
The back is ochre to orange with black hairs mixed in. The sides are pale cinnamon, and the tail is dark above and grayish white below.
Specimens come from high-elevation forests and grasslands, including fir forest and nearby grasses and brush. The consulted species sources do not detail daily behavior such as feeding.
An extinction-risk assessment has not been added yet.