Oxalis magellanica

Rhizomatous or stoloniferous herb to c. 10 cm high; stems slender, internodes much reduced so that leaves appear c. radical; taproot absent; bulbils absent. Leaves 3-foliolate; leaflets sessile, broadly obcordate, 2–12 mm long, 2–13 mm wide, bilobed, green, glabrous above, sparsely appressed-pubescent below, margins ciliate, sinus to c. one-fifth, (rarely one-third) leaflet length with callus in notch, lobes oblong to obovate, apices rounded, 2–6 mm apart; petioles 1–5(–7) cm long, with sparse long spreading hairs; stipules conspicuous, to c. 5 mm long, membranous, apex rounded to truncate, glabrous, persistent. Inflorescences axillary, 1-flowered; peduncles usually longer than leaves, sparsely hairy. Sepals elliptic, 3–5 mm long, ciliate. Petals 6–12 mm long, white. Capsule ovoid to globose, 4–5 mm long, glabrous; seeds not transversely ribbed. Flowers Oct.–Feb.