United States, Minnesota, Mille Lacs, on the SW shore of Mille Lacs lake. In a partial opening in an oak-aspen woodland. Forming a loose thicket about 8 meters across SW of SE of section;;042N;27W;05
46.1286111 -93.7725
46.1286111° N,93.7725° W;collector
Stamens 6-9, anthers white; compound thorns absent, simple thorns numerous Numerous stems, each about 4 meters tall and 8 cm in diameter; 1-2 days past peak of anthesis (spring 1 1/2 weeks late) Collected from same stem as WRS 26404 (fruiting specimen)