Assertion: sepal | /r/HasProperty | united at the base
Facets:
Source sentences:
text: The sepals are green, and are united at the base into a narrowly bell-shaped tube (calyx), then separated into 5 very short teeth that are unequal in length.
text: The sepals are green, and are united at the base into a narrowly bell-shaped tube (calyx), then separated into 5 short teeth that are unequal in length.