Trimeresurus

Weinell, Jeffrey L., Hooper, Errol, Leviton, Alan E. & Brown, Rafe M., 2019, Illustrated Key to the Snakes of the Philippines, Proceedings of the California Academy of Sciences 66 (1), pp. 1-49 : 34

Trimeresurus

Key to Philippine species.

1a. Tail color distinctly different from body color (in life: tail color red, body color green); hemipenes spinose........................................... Trimeresurus schultzei

1b. Tail color not distinctly different from body color (in life: tail and body may be green, red, orange, yellow, gray, or white); hemipenes lack spines............................... 2

2a. Body and tail color green (adults and some juveniles in life) or red (some juveniles in life)...................................................... Trimeresurus flavomaculatus

2b. Body and tail color yellow, gray, or white (in life)............... Trimeresurus mcgregori