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).
Suborbicular, dense, oval, pointed at the top, quite long-petiolated, prostrate.
Erect, branched only from the middle.
Alternate, glabrous, 2-3 pinnate, with fine, narrow, linear, spiny tipped segments.