It is an
annual herb growing upright or
decumbent in form, with hairless green or reddish herbage. The
leaves are made up of finely toothed, oval shaped leaflets up to long and bristle-tipped
stipules. The
inflorescence is a head of flowers roughly a centimeter wide, the flowers held in a bowl-like involucre of wide, jagged-toothed
bracts. Each flower has a calyx of
sepals that narrow into fine bristles and a pink
corolla under 1 cm long. == Distribution and habitat ==