Coefficient of Conservatism:
Coefficient of Wetness:
May be found in rich deciduous forests, but more often in sandy dry forests and savannas with oak, hickory, aspen, or pine.
A very distinctive shrub, with asymmetrical crenate leaves and very late-blooming flowers as the leaves turn yellow and drop (late September to November). The four petals are yellow and narrowly linear (at most ca. 1 mm wide, 10–15 times as long). A form with pink flowers (f. rubescens Rehder) was found in oak-hickory forests near South Lyon, Oakland Co., in 1921.