The flowers have short, hairy stalks. The central flower disc is a golden yellow colour. The tiny, very widely spaced, white petals are notched and sometimes double notched. There are usually 5 petals but there can be anything between 4 and 8. Insect-pollinated. The leaf margins are shallowly toothed. Shaggy Soldier (Galinsoga quadriradiata) is an almost identical plant to Gallant Soldier but there are a few differences to be aware of that can help differentiate them. Shaggy Soldier is a hairier plant all over and has slightly longer petals.
An annual flower with opposite, stalked, simple, broad, pointed leaves, up to 7cm in length.
Galinsoga, Lesser Quickweed, Littleflower Quickweed, Potato Weed, Quickweed, Small-flowered Galinsoga, Soldiers of the Queen.