square stem

Yellow pimpernel Lysimachia nemorium growing laterally with little yellow flowers

White dead nettle Lamium album plant

Purple Loosestrife Lythrum salicaria pencil drawing

Purple Loosestrife Lythrum salicaria with three flowering spikes

Red Dead Nettle Lamium purpureum two flowers with a tangle of small leaves at their base

Ladies bedstraw Galium verum with yellow flowers and leaf rosettes

Hedge woundwort Stachys sylvatica showing square stem and individual flower detail

Greater stitchwort Stellaria holostea with rooting nodes and flowers along with elongate leaves

Common Nettle Urtica dioica plant in flower

Cleavers Galium aparine with lateral growth and flowers and fruit