Plants candelabra-form, (7–)30–50(–60) cm. Basal leaves persisting; petiole present or absent; blade linear-lanceolate to linear, margins very deeply lobed, lobes slender. Cauline leaves: petiole absent; blade ovate-lanceolate to linear, to 15 cm, margins deeply to shallowly lobed or entire. Bracts green, ovate to lanceolate, 4.8–12.4 × 0.9–3.5 mm, width 1/8–1/2 length, not concealing capsule, margins usually entire, rarely 2-lobed. Flowers: sepals (7–)9–16 mm; petals yellow, 12–25 mm, apex acute or mucronate; stamens 20+, 3–10 mm, filaments monomorphic, filiform, unlobed; styles 7–15 mm. Capsules clavate, 19–40 × 2–3.5 mm, axillary curved to 270° at maturity, usually inconspicuously longitudinally ribbed. Seeds 30–60, in 2+ rows distal to mid fruit, tan, usually dark-mottled, usually irregularly polygonal, occasionally triangular prisms proximal to mid fruit, surface colliculate under 10× magnification; recurved flap over hilum usually present; seed coat cell outer periclinal wall domed, domes on seed edges less than 1/2 as tall as wide at maturity. 2n = 18.