1. Plant with an above-ground stem ca. 3-12 (-15) cm tall, bearing a cluster of long pedicels at the summit; bracts at base of pedicels glandular-pubescent (like the pedicels and calyx).
1. Plant with no stem developed above ground, the long pedicels arising from a short perennial base; bracts at the base glabrous.
Citation:
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. April 4, 2025
https://mifloradev.lsa.umich.edu/flora-demo/#/genus/Orobanche