My Bartlett is quite prone to this, generally throws a few mid to late summer blooms most years. I've actually had the ones that bloomed in July and early August grow into miniature, fully formed pears that ripened just before the hard frosts came in October, and tasted perfectly normal.

However, based on your photo, it doesn't look like yours would have time to make it, too small at this late time of the season.

That looks to be a shoot, that left unforced, would have been a flower cluster next spring. Forced early by pruning it became part vegetative and part floral. I've seen the same on blueberries this summer.

I have Asian pear and got some blooms in July/Aug and got small pears that are now splitting open. I am yet to prune my tree for this year and its grown wild. I plan on pruning it soon so that I have better production next year.