Compared with the native and very common geum urbanum, geum macrophyllum is a taller plant with larger leaves, (usually) larger flowers, and shorter, sparser hairs on the sepals and receptacle.
Main flower color:
Woodland paths, riverbanks
Up to 100 cm
A few locations in Wales and central Scotland; an introduced species, from Asia and North America
Five triangular, sparsely hairy green sepals (reflexed when mature), five non-overlapping yellow petals, broadly obovate to nearly round, clawed at the base, around a ring of short yellow stamens, with a dense group of short green carpels at the centre
Broad, partly divided into toothed lobes, shallowly for leaves towards the base, more deeply for upper stem leaves. On stout stems with a covering of relatively long, spreading hairs
May to July