Assertion: angiosperm's pollen | /r/HasAspect | three longitudinal depressions
Facets:
value: commonly
type: TEMPORAL
Source sentences:
text: The pollen of the core eudicots commonly has three longitudinal depressions, or colpi, as does the pollen of the rest of the eudicots, but in the middle of each colpus there is a circular pore through which the pollen tube emerges; that is, the pollen is basically tricolporate.