Assertion: viper | /r/HasAspect | keeled scales
Facets:
Source sentences:
text: Almost all vipers have keeled scales, meaning their scales are ridged, not smooth.
text: Additionally, most vipers have keeled scales, vertically elliptical pupils and coloring and patterns that serve as camouflage.
text: Some vipers have keeled scales
text: Almost all vipers have keeled scales, a stocky build with a short tail, and due to the location of the venom glands, a triangle-shaped head distinct from the neck.
text: Most vipers have keeled scales, a short tail and stalky build.