Herbs , perennial, caulescent, from stout rhizomes; sap yellow to orange. Stems naked above base except for 2-3 leaves subtending inflorescence. Leaves: basal rosulate, petiolate; cauline subopposite, sessile; blades 1-2× pinnately lobed. Inflorescences terminal, umbelliform, few-flowered; bracts present. Flowers: sepals 2, distinct; petals 4; stamens many; pistil [2-](3-)4-carpellate; ovary 1-locular; style distinct; stigma shallowly 3-4(-5)-lobed. Capsules nodding, [2-](3-)4-valved, dehiscing from apex. Seeds few to many, arillate. x = 10.
Herbs, perennial, yellow or orange lactiferous, rather brittle. Stems 1(-3), erect, terete, striate, pubescent or glabrous. Basal leaves few, long petiolate; blade pinnatipartite or pinnatisect; lobes deeply undulate or irregularly serrate. Cauline leaves 2-7, shortly petiolate, apical 2 leaves (rarely 3) almost opposite, or almost terminal from peduncle bottom, shortly petiolate or sessile; blade like basal leaves. Flowers in corymb or umbel, pedunculate, bracteate. Sepals 2, caducous, broadly ovate, villous. Petals 4, yellow, suborbicular, imbricately arranged. Stamens many (20 or more); filaments filiform; anthers oblong or linear-oblong, 2-celled, longitudinally divided. Ovary ovoid or terete, pubescent, 1-loculed, 2-4-carpellate; ovules many; styles terete; stigmas capitate, 2-4-lobed, lobes alternate with placentas. Capsule narrowly ovoid or narrowly oblong, pubescent, 2-4-valvate from apex to base, with many seeds. Seeds small, tessellate, cristately carunculate.
"Sep 2; pet 4, yellow; ovary ellipsoid, abruptly narrowed to an elongate style; stigma 2–4-lobed; placentas 2–4; capsule dehiscent from the top downwards by elongate valves; seeds arillate; perennial, rhizomatous herbs with saffron-colored juice, deeply lobed, mostly basal lvs, and a few-fld, terminal, umbelliform infl. 2, the other in e. Asia."
|[Greek stylos, style, and phoros, bearing, in reference to the conspicuous style, unusual in the family]|