Assertion: tulip's part | /r/HasProperty | trimerous
Facets:
Source sentences:
text: caducous tepals arranged into two separate whorls of three parts (trimerous) each.
text: The perianth is undifferentiated (perigonium) and biseriate (two whorled), formed from six tepals arranged into two separate whorls of three parts (trimerous) each, although Scoliopus has only three petals, free from the other parts, but overlapping.