Native showy yellow snapdragon-like flowers with red throat spots, blooming March to September. Considerable variability in form and lifespan throughout its range, occurring as both a fibrously rooted, small and spindly annual, or as a rhizomatous, robust and bushy perennial. Found on all types of riparian habitats including coastal meadows, intermittent desert streams and mountain seeps, sometimes aquatic; up to 13,000 ft. elevation. Occurs as scattered individual plants or in large patches. Pollinated by numerous types of insects, including various bumblebee species.