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.
Common name:
Large-flowered avens
Family:
Scientific name:
Geum macrophyllum
Main flower color:
Range:
Woodland paths, riverbanks
Height:
Up to 100 cm
Habitat:
A few locations in Wales and central Scotland; an introduced species, from Asia and North America
Flowers:
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
Leaves:
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
Season:
May to July
Rarity:
★★★★★
