Plants 5–30 cm. Basal leaves: petioles present; blade lanceolate, to 12 cm; margins shallowly lobed, lobes rounded. Cauline leaves: petioles usually present, rarely absent; blade broadly ovate to lanceolate, to 12 cm, base not cordate-clasping, margins dentate to serrate. Bracts green, inconspicuous, not concealing pedicel, ovary, or capsule. Flowers: petals white to pale yellow, obovate, 10–30(–50) mm, apex mucronate; stamens 7–17 mm, less than 1/2 petal length, all fertile, none petaloid (flowers appearing to have 5 petals); filaments ± monomorphic, linear, distally 2-lobed, lobes 0.6–2.5 mm; anther stalk usually shorter than filament lobes; style 10–15 mm. Capsules cylindric to ovoid, 9–18(–23) × 5–8 mm, proximal nodding, distal erect. Seeds constricted and grooved at middle; seed coat anticlinal cell walls straight to slightly wavy, conspicuous. 2n = 20.