Appearance
The rostral scale is as deep as broad or broader than deep. The upper head-scales are small, smooth, imbricate; supraocular scale narrow, rarely broken up. The internasals are contact or separated by one or two scales. There are 8 to 13 scales on a line between the supraoculars; usually one or two, rarely three, series of scales between the suboculars and the labials; 9 to 12 upper labials, second usually forming the anterior border of the loreal pit, third largest; temporal scales smooth. The dorsal scales are more or less distinctly keeled, in 21 rows; ventrals 145–175; anal scale entire; subcaudals in two rows 53–76.The upper parts are usually bright green, rarely yellowish, greyish, or purplish brown, with or without black, brown, or reddish spots; usually a light, white, yellow, or red streak along the outer row of scales; end of tail frequently yellow or red; lower parts green, yellow, or whitish.
It grows to a total length of 3.25 feet . The tail is 5.5 inches in length.
Bamboo pit viper - head profile.jpg|Head
Bamboo Pit.jpg|In Raajmachi, Lonavala
Trimeresurus gramineus.jpg|In Satara, Maharashtra
Naming
It was first described in 1802 as ''Coluber graminaeus''. No subspecies are recognized.Common names include: bamboo pit viper, Indian tree viper, bamboo snake, Indian green tree viper, green tree viper, bamboo viper, bamboo pitviper, ''boodro pam'', grass-green snake, and green pit viper.
Behavior
''C. gramineus'' is arboreal and nocturnal. When threatened, it is aggressive and does not hesitate to bite. The venom is hemotoxic and neurotoxic.
Habitat
It is found in bamboo groves and forests, usually near streams.
Reproduction
''C. gramineus'' is ovoviviparous. Adult females gives birth to 6 to 11 young, which measure up to 4.5 in in length.
Food
It feeds on lizards, rats and birds.References:
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