R. Br. ex DC., Reg. Veg. Syst. Nat. 1:271 (1817).
Synonymy: Not Applicable
Common name: Ferny (or small-flowered or ferny small-flowered) buttercup.
Annual, 1-35 cm high; stems branching from the base, more or less densely pilose at least in the lower part; early leaves palmate with c. 5 blunt teeth or 3-fid with 2 or 3 blunt to acute teeth on each lobe, later leaves 1-3 cm broad, ternate or palmatisect with the lobes cut into lanceolate to linear acute segments, more or less densely pilose on both surfaces; petioles 1-7 cm long.
Flowers 2-3 mm diam., lower flowers with pedicels 3-15 mm long, upper ones subsessile or with pedicels up to 1 cm long in fruit; sepals 3-5, narrow- to broad-elliptic to obovate, 1.5-2.5 mm long; petals 2-4, ovate-spathulate or ovate with a narrow claw; nectary lobe semi-elliptic or triangular, slightly above the middle, nerves 2 or 3, the central often forked; stamens 4-6.
Carpels 10-25; achenes suborbicular, lenticular (distinctly thickest in the centre), 1.5-2 mm long, beak very short, obtuse to subacute, triangular; torus glabrous.
Flowering time: No flowering time is available
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
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