1. Leaflets more than 5 (15–31 on many of the larger leaves), flat, oblanceolate-elliptic, less than 1 cm long, mostly ca. 2–3 mm broad.
1. Leaflets 3–5, involute, linear, ca. 0.9–2 cm long, ca. 0.5–1.7 mm broad.
All species found in Dalea
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 15, 2017. http://www.michiganflora.net/genus.aspx?id=Dalea.