United States, Illinois, Cook, Scattered on gravelly soil of kame. Bluff City Fen, S.E. corner of Elgin, south of Bluff City Cemetary, Hanover Township.
TRS: T41N R9E S19S 1/2 & Section 30, N 1/2
Flower: Y Fruit: N Vegetation: Y Bud: N
Scattered on kame. Corolla, stigma, and style, dark purple. Filaments and inner corolla light purple. Calex green and reflexed.