In the wild forming firm hummocks up to 75cm high by 135cm across, but seldom reaching even a quarter this size in cultivation. Leaves to 6.5mm long on petioles the same length, trifid to deeply three-lobed, the lobes ovate to linear-lanceolate. Flowers in umbels of three to twenty, greenish-white. Fruits brown, ovoid-tetragonous to 3.5mm long, starry hairy. Southern tip of Chile, Argentina and Falkland Islands in scrub, heaths, cliffs and rocks from sea level to 900m.