Ranunculus Ranunculus, DC.

4. R. nemorosus DC. View in CoL , Reg. Veg. Syst. Nat. 1: 280 (1817)

(R. breyninus auct., non Crantz). Like 3 but basal leaves trifid, with broadly ovate, lobed and dentate segments; honey-leaves 15-20 mm, golden-yellow; achenes with a strongly curved beak c. 1-5 mm. 2«= 16. Most o fEurope, except the north and extreme south. Al Au Bu Cz D a G a Ge G r He Ho Hs It Ju Po Rm Rs (B, C, W) Su. The following seem best regarded as subspecies. Though showing differences in vegetative morphology they are all interfertile and intermediates occur.

1 Stems becoming procumbent and rooting at nodes; lower cauline leaves resembling basal (c) subsp. serpens

1 Stems always erect, never rooting at nodes; lower cauline leaves with narrow + entire segments

2 All basal leaves pentagonal in outline, trifid; segments lobed and dentate (a) subsp. nemorosus

2 Outer basal leaves orbicular in outline, more divided and with narrow lobes (b) subsp. polyanthemophyllus