Head and neck: brown, greenish brown, grey or black; head large, slightly distinct from neck; parietals 2, large; 1 preocular; 3 preoculars; loreal absent; 7 upper labials, 3rd and 4th in contact with eye; 8 lower labials.
Body: large-bodied, robust and long; dorsal brown, greenish brown, grey or black; ventral cream, some scales dark edged; midbody scale row 15; ventrals 246 to 266; subcaudals mixed divided and undivided.