White Rain Lily

The White Rain Lily, so beautiful I had to take a picture. Unfortunately, since we were on the side of the road/driveway I took the pictures too quickly and, alas, they are out of focus. This was easy to identify, I looked up white Texan flowers and in about three minutes I found it.
White Rain Lilies are so named because they pop up 2-3 days after a good rain, and they're white lilies. The name says it all.
In more detail, though, they have a 6-9 inch stem with all the leaves at the very bottom of the stem. Frequently this can look like it has no leaves, just a stem and a blossom (the blossom being about 2 inches wide). While it looks like it has six petals, that's because the three sepals are white just like the three petals. They are all pointed at the tips, but the sepals are slightly wider than the petals. They have six light yellow stamen, and the stems are a light green.
The ones I found we just opening. They begin to open in the evening and then stay open for a few days. This means you can find a Rain Lily anywhere from 2-6 days after a good rain.
All in all, a pretty little thing.