1. Calyx ca. 7-9 mm long, glandular-pubescent (as are the stem and pedicels); plant ± spreading.
1. Calyx (16-) 18-21 (-23) mm long, glabrous and eglandular (as is the rest of the plant); plant erect.
Citation:
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. March 16, 2025
https://mifloradev.lsa.umich.edu/flora-demo/#/genus/Saponaria