Males grow to a maximum total length of with a tail length of . Females grow to a maximum total length of with a tail length of . The
hemipenes are spinose. Scalation:
dorsal scales in 25 longitudinal rows at midbody; scales on upper surface of head, small, each scale keeled posteriorly;
internasals 5–10 times size of adjacent scales, separated by 3–4 scales;
supraoculars, long, narrow, undivided, 14–16 small
interoculars in line between them; 2 scales on line between upper
preocular and
nasal scale; 9–11
upper labials, first upper labial separated from nasal by suture; 2–3 small scales between upper labials and
subocular; 2–3 rows of
temporal scales above
upper labials smooth, above those scales keeled;
ventrals 200–218;
subcaudals 76–91, all paired. Color pattern: grayish or olive brown above, with dorsal series of large brown, black-edged spots or blotches, and a lateral series of smaller spots; head above brownish, below whitish; belly whitish but heavily powdered with light brown; tail brownish (possibly pink in life [
fide M.A. Smith 1943:507]), with series of dark dorsal spots. == Common names ==