Appearance
Males grow to a maximum total length of 112 cm with a tail length of 19.5 cm. Females grow to a maximum total length of 116 cm with a tail length of 20.5 cm.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, with series of dark dorsal spots.
Naming
Brown spotted pitviper, pointed-scaled pit viper, habu, Taiwan habu, Chinese habu, Formosan pit viper. The Chinese name is or.References:
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