Partridge pea (Chamaecrista fasciculata) can be big and bushy, as seen above at the south Oslo Riverfront Conservation Area) on an orchid stroll on Saturday, June 27, 2020, or quite prostrate as shown below at Archbold Biological Research Station.
Look closely at the top photo, and you’ll see a smaller, much paler flowered plant at the left bottom side of the photo.
Its flower are similarly sized and shaped but are a more platinum blond color …
When we visited a southern carpenter bee (Xylocopa micans) was buzz pollinating the flowers of the adjacent bigger and darker blond bush.
Past pollinators have visited this more diminutive partridge pea. At the center of the right end of the photo below you can seed an unripe seed pod.
Annual native plants like partridge pea show a great deal variability. Diverse populations are healthy populations.