 On the head there are 5-8 keeled intersupraocular scales, 7-9 (usually 7) supralabial scales, the second of which contacts the prelacunal, and 8-10 sublabial scales.The color pattern consists of a greenish yellow or medium to dark green ground color that usually becomes more obscure towards the front of the body.The dorsal pattern is a series of 29 bands or transverse black spots that tend to fuse with each other towards the front part of the body.