The trunk is a smooth, round, delicately tapered shaft, mostly without limbs, and colored rich purplish-brown, usually enlivened with tufts of yellow lichen.

树干是一个光滑、圆形、精致的锥形树干，大部分没有四肢，颜色为深紫褐色，通常长满一簇簇黄色地衣。