Ranunculus diminutus
B.G.Briggs Brackish Plains ButtercupStoloniferous perennial, mostly 2–5(–c. 10) cm high. Leaves tufted at base; petioles mostly 1–5 cm long; lamina trifoliolate, c. 1–2 cm long and wide, glabrous or sparsely pilose beneath, segments oblong to narrowly elliptic, entire or with 1 or 2 narrow lobes, 1–2.5 mm wide. Flowering stems erect, subequal to leaves, usually 1-flowered; sepals 5 or 6, spreading, ovate to broadly elliptic, 3–5 mm long, glabrous or with a few scattered hairs; petals 5–11, oblong, 3.5–5.5 mm long, 0.5–1.5 mm wide, yellow, glossy; nectary lobe largely fused to petal, obtuse, truncate or shallowly emarginate, c. 0.5 mm long overall; stamens c. 15–30. Achenes usually 10–20, flattened-obovoid, 1–2 mm long, smooth or obscurely wrinkled; beak slender, c. 1 mm long, erect; receptacle hispid between achenes, glabrous or almost so in the staminal zone. Flowers Sep.–Feb.
Wim, VVP, OtP, WaP, DunT, HNF. Also SA, NSW, Tas. Uncommon to rare in Victoria and recorded only from seasonally wet clay soils fringing Lake Omeo in the east and Lakes Corangamite, Goldsmith and Kennedy in the west (between Colac and Hamilton).
Walsh, N.G. (1996). Ranunculaceae. In: Walsh, N.G.; Entwisle, T.J., Flora of Victoria Vol. 3, Dicotyledons Winteraceae to Myrtaceae, pp. 35–63. Inkata Press, Melbourne.