Add to ORKGPerennial herbs covered with stinging hairs, milky sap, and tuberous roots. Stems erect to reclining, to 1m (3 ft.) tall, but usually shorter, branched or unbranched. Leaves alternate, bright green to dark green, irregularly and deeply 3- to 5-palmately divided (like a hand), coarsely toothed, 8-30 cm (3-12 in.) long and wide; leaf stalks (petioles) usually long. Flowers unisexual (male and female in the same cluster), 1.5 cm (0.5 in.) wide, with 5 white, petal-like structures (calyx lobes) and tubular base 1.5 cm (0.5 in.) long; several arranged in forked clusters terminating the stem. Capsule oval in outline, 3-parted, 1.5 cm (0.5 in.) long, explosively dehiscing to release 3 seeds; seeds oval in outline, 6 mm (0.25 in.) long, dark brown,...