Forked bluecurls (Trichostema dichotomum) is a small annual forb in the Lamiaceae, easy to miss because the flowers are small, too. It’s worth stopping to take a close look, though, because the color is stunning, and mint family flowers are just nifty.
For detailed information about forked bluecurls, see this post from 2016.Many thanks to my friend B for posting about this find on social media; I hadn’t seen forked bluecurls in years, and dropped everything to go photograph them.