Acaena exigua is a small perennial rosette herb in the rose family (Rosaceae) with narrow, fern-like, divided leaves and slender flowering stalks 5 to 15 cm (2 to 5.9 in) long. The narrow, oblong leaves are usually 10 to 25 mm (0.4 to 1.0 in) long with 6 to 17 leaflets 1 to 4 mm (0.04 to 0.16 in)...