[3][5] The specific name, kaulbacki, is in honor of British explorer Ronald Kaulback.

Dorsally, it is green, with a vertebral series of dark angular spots, which may be joined to form a zigzag stripe.

Ventrally, except for the whitish throat area, it is gray with large squarish or crescent-shaped yellow spots.

[4] P. kaulbacki had originally been known only from the type locality, which is "Pangnamdim, north of the Triangle, Upper Burma" (Myanmar).

[3] The preferred natural habitats of P. kaulbacki are forest, shrubland, and grassland, at altitudes of 1,015–1,066 m (3,330–3,497 ft).