Plants 7–35(–45) cm. Basal leaves: petioles present or absent; blade lanceolate, to 10(–16) cm; margins shallowly to deeply lobed, lobes acute. Cauline leaves: petioles absent; blade ovate to lanceolate, to 10(–16) cm, base often cordate-clasping, margins deeply to shallowly lobed, lobes acute. Bracts white with green margins, conspicuous, concealing pedicel, ovary, and capsule. Flowers: petals white to pale yellow, usually with orange veins, obovate, 13–65 mm, apex mucronate; stamens 4–26 mm, less than 1/2 petal length, all fertile, none petaloid (flowers appearing to have 5 petals); filaments ± monomorphic, linear, distally 2-lobed, lobes 0.5–2 mm; anther stalk shorter or longer than filament lobes; style 8–30 mm. Capsules cylindric to cup-shaped, 14–25(–30) × 5–10 mm, erect. Seeds usually constricted proximal to middle; seed coat anticlinal cell walls wavy. 2n = 18.
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