Scales in 23–25 longitudinal rows at mid-body; body elongate, head long, massive, with narrow snout; canthus rostralis sharp; single large, squarish loreal; 8 supralabials; first supralabials completely separated from nasal by a suture; second supralabial anteriorly bordering facial pit; 8–10 scales in line between supraoculars; supraoculars usually single, flat, without a vertical projection; dull grayish or olive green with large, blackish rhombohedral dorsal blotches, either distinct or united to one another; smaller spots on sides; symmetrical yellow lines on head; notice bands of yellow, brownish black with greenish sheen on the entire tail in adults, the bands start from the anal region till the tip of the tail; sub-caudals paired; ventrals 201–212; sub-caudals 66–78, some of the anterior scutes may be single, others paired; hemipenes with spines. Total length males 1340 mm, females 1410 mm; tail length males 225 mm, females 230 mm. [After LEVITON 2003]
Total length 134 cm (Male), 141 cm (Female) mm; tail length 22.5 cm (Male), 23 cm (Female).
Not known how toxic the venom is. There are very few cases of bites known to science with very little mortality. But a bite from a large individual may be fatal.