Dried root: long-conical, 10-25 cm long, 1.5-2.5 cm diam. Surface grey - yellow-brown, root head obtuse tetragonal o. nearly round, with longitudinal wrinkles, in addition to root scars, pore-like transverse indentations, some of which are four longitudinal rows. Top sunken stem scar, hard consistency, white-gray-and-white, floury fracture, rectangular o round, brown Cambium. In cortex, many Ölbehälterals brown euingestreut polka dots.

Aromatic smell, taste a sharp, slightly bitter.