Mitracarpus maxwelliae is a rare species of flowering plant in the coffee family known by the common name Maxwell's girdlepod.

[1] Other plants in the habitat include Bucida buceras, Bursera simaruba, Exostema caribaeum, Coccoloba microstachya, Plumeria alba, and Pilosocereus royenii.

[1] This is a small, dense, mound-forming shrub growing up to 20 centimeters in height.

It has many four-angled branches with linear or lance-shaped leaves each 1 to 3 centimeters long.

[1] The species is threatened by road construction and maintenance, and its small population size makes it vulnerable to extinction.