Herbs, annual or biennial, 30-60 cm tall. Stems erect, rather robust, branched. Basal leaves: petiole flat; leaf blade narrowly oblanceolate, pinnatipartite, 7-10 cm; proximal lobes deltoid, distal lobes ovate, smooth, with irregular thick teeth, terminal lobe almost square, distally with thick teeth. Cauline leaves broadly oblong, pinnatifid, 1-3 cm, base cordate, am-plexicaul, apex acuminate. Flowers solitary, terminal. Bracts broadly ovate, with thick teeth. Pedicel long and thick. Flower buds fusiform, 1.5-2 cm × ca. 5 mm, adaxially smooth. Petals yellow or orange, blotched at base or not, 2-2.5 cm. Capsule linear-terete, 12-18 cm, sparsely appressed papillary aculeate, when mature dehiscing from apex to base; carpopodium very long. Fl. and fr. Jun-Oct. 2n = 12.
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