[1] Magnolia krusei is a medium-sized to large tree, growing ups to 25 meters high with a trunk diameter of 50 to 100 cm.

It is similar in appearance to Magnolia iltisiana and M. tamaulipana, but differs from those related species in its smaller flowers and follicles.

[1] Magnolia krusei is known from one location in the Sierra Madre del Sur of central Guerrero state, around Acahuizotla and San Roque in the mountains south of Chilpancingo.

A second population may occur further east in the Sierra Madre del Sur of neighboring Oaxaca state.

[1] The species threatened by habitat loss from forest clearance, including for illegal crops.