Assertion: cactus's rib | /r/HasProperty | invisible
Facets:
value: almost
type: DEGREE
value: on the swollen stem
type: LOCATION
Source sentences:
text: The prominence of these ribs depends on how much water the stem is storing: when full (up to 90% of the mass of a cactus may be water), the ribs may be almost invisible on the swollen stem, whereas when the cactus is short of water and the stems shrink, the ribs may be very visible.
text: When full, the ribs are almost invisible, but when the cactus is in a short supply of water, the stem shrinks and the ribs become quite visible.