U. myhendrae is found in southern India, in the Western Ghats south of the Goa Gap, in the Indian states of Kerala, Tamil Nadu, and Travancore, at elevations of 2,000–4,000 ft (610–1,220 m).

[4] Type locality: "South Travancore, on the Myhendra Mountain", southern India.

[1] The dorsum of U. myhendrae is dark purplish brown, each scale with a yellowish crescent-shaped posterior border.

The venter is yellowish, with small purplish brown spots in adults, but with large transverse blackish rhomboids in young.

The terminal scute has a transverse ridge, indistinctly bicuspid, rounded in the young.