Erect, herbaceous perennial, 40-100 cm tall, glandular and eglandular hairs throughout; basal leaves in a more or less persistent rosette, palmately 5-parted, blade 3.7-4.4 cm long, 4.8-5.6 cm wide; stem leaves opposite, stipulate, 3-5-parted, the segments incised, toothed, or lobed; inflorescence a forking cyme; cymules 2-flowered, solitary; peduncles 2.7-4.6 cm long; pedicels 4.1-5.9 cm long; peduncle and pedicel together overtopping the subtending leaves; flowers pendulous; sepals and petals reflexed; petals purplish, 11.9-13.8 mm long, 2.8-4.7 mm wide, hairy on the basal quarter of the adaxial surface; stamens 10, all bearing anthers; filaments 10.9-12.8 mm long, straight, appressed to the stigmatic column; fruits erect, 3.0-3.6 cm long, elastically dehiscent, the mericarps remaining attached to the columella. Flowers July through September.