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Tufted from a central rootstock, 10-50cm high. Leaves angularly rounded in outline, 6-8cm long, divided into three leaflets each one two to three-lobed, on petioles up to 20cm in length. Flowers solitary, or in twos or threes.
glossy rich yellow, 3.5cm wide, composed of ten to twenty-two oblong petals, spring to summer in the wild. R.p. var. erodifolius has more deeply cut leaflets with narrower lobules; flowering stems may be prostrate. Chile and Argentina, the central cordilleras to Tierra del Fuego, in grassy flushes or streamsides, also scrub meadows and forest margins in Patagonia, from sea level to 2500m depending on latitude. At its best a compact and handsome species.
