Herbs annual or biennial.Root stout, tuberlike, and napiform or fusiform, or branched and not tuberlike.

一年生二年生草本根粗壮，管状，和芜菁状孔纺锤，分枝而不管状。

The shapes of neuronal cell bodies are spherical, ovoid , pyramial, fusiform, stellate or crescentic.

神经元细胞体状有圆，卵圆，锥，梭，星半月。