Loquat (枇杷)

These are loquat fruits.

The Loquat has large seeds; Betty says, "I was given some of these fruits in the 70s when teaching at San Jose State University.  We ate them then randomly threw the seeds into our yard and ...." 

now there are loquat trees here...

and there ...

and more ...

Here is a close up of the loquat fruits on the tree.

Another nice close-up of a cluster of loquats.

According to Wikipedia, loquat's official name is Eriobotrya japonica
that translates to Japanese Medlar.  It is originally from southeastern China. It was introduced into Japan and became naturalized there in very early times, and has been cultivated there for a long time thus so named.   In Mandarin Chinese, it's called pípá (枇杷).
This fruit tree is planted all over the world in warm climates.
The above Chinese painting is taken from the Wikipedia site, the caption says:
Loquats and a Mountain Bird, by an anonymous Chinese artist of the Southern Song Dynasty (1127–1279).