Assertion: truffle's spore | /r/HasAspect | protrusion
Facets:
value: often
type: TEMPORAL
value: at one end
type: LOCATION
Source sentences:
text: A spore often has a protrusion at one end, called an apiculus, which is the point of attachment to the basidium, termed the apical germ pore, from which the hypha emerges when the spore germinates.