Scentless mayweed
Tripleurospermum inodorum
Annual, seed propagated weed, up to 50 cm (19.68 inch) high.
Whoolly or almost scentless, flower cups pulpy (M. chamomilla with hollow flower cup).
Cotyledons: Suborbicular, dense, oval, pointed at the top, quite long-petiolated, prostrate.
Stems: Erect, branched only from the middle.
Leaves: Alternate, glabrous, 2-3 pinnate, with fine, narrow, linear, spiny tipped segments.