Assertion: turtle's carapace | /r/HasProperty | rough
Facets:
Source sentences:
text: The carapace is not only large but also rough and knobby with what look like spherical cones projecting from it.
text: They have a rough carapace that is a tan, grayish brown or brown color, with a central ridge (called a keel) made up of a pyramidal pattern of ridges and grooves.