Assertion: chalaza | /r/CapableOf | guide the pollen tube
Facets:
value: respectively
type: MANNER
value: in the second and third steps
type: TEMPORAL
value: directly
type: MANNER
Source sentences:
text: In other words, although immature embryo sacs may also participate therein, it seems more likely that the whole developing ovule itself and the chalaza directly guide the pollen tube in the second and third steps, respectively.