Coriander is native to regions spanning from southern Europe and northern Africa to southwestern Asia. It is a soft plant growing to 50 cm (20 in) tall. The leaves have a similar odour and flavour to coriander. 2  It is a member of the Polygonaceae, or buckwheat family. 3  Papaloquelite is one common name for Porophyllum ruderale subsp. macrocephalum, a member of the Compositae or Asteraceae, the sunflower family. 4  This species is found growing wild from Texas to Argentina.