Aristolochia littoralis, the calico flower or elegant Dutchman's pipe, is a species of evergreen vine belonging to the family Aristolochiaceae.

These plants are pollinated by flies which are attracted by the unpleasant carrion-like odor produced by the flowers.

The numerous winged seeds are borne in dry dehiscent capsules that split like small parachutes.

Aristolochia littoralis prefers acid-neutral soils (pH 5.5 – 7.0) and average moisture, in part sun to shade, at an elevation of about 0–1,150 metres (0–3,773 ft).

This subtropical plant requires a minimum temperature of 7 °C, and in temperate regions is grown under glass.