1. Largest petals ca. 10 mm or more long; stamens 10; pedicels ca. 7–15 mm long.
C. fasciculata
1. Largest petals less than 8 mm long; stamens 5; pedicels ca. 2–3 mm long.
C. nictitans
All species found in Chamaecrista
Citation:
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. April 15, 2021. https://michiganflora.net/genus.aspx?id=Chamaecrista.