Ranunculus biternatus Sm.
Glabrous perennial; rhizomes creeping. Lvs petiolate, ternatifid to ternate; lamina broadly ovate or cuneiform, 1-2 cm diam.; lobes 3-fid, acutely toothed. Fls solitary, 10-12 mm diam., on short stout scapes. Sepals spreading. Petals 5, yellow, obovate-spathulate; nectary single, c. 2 mm from petal base, covered by a short broad scale. Receptacle glabrous. Achenes 15-20, not flattened, glabrous; body 2 mm long; beak recurved, 0.8 mm long.
M.
Also indigenous to most other subantarctic islands outside the N.Z. region, and to southern S. America.
Swampy places.
