1, Cauline cylinder form, be lapped by blade and become.

2, Leaves basal and cauline; leaf blade palmately divided.

3, Cauline leaf all gives birth to short fluff.

4, Olive or petiole and cauline stalk are Brown.

5, Capitate sheet gives birth to cauline branch end, spend yellow or orange yellow, have sweet smell.

6, Cauline radical ministry extend of procumbent, upside, hollow, have ramose , section armpit is in scanty unripe fine fluff.

7, Base foliation is fascicular, cauline foliation each other is unripe, feather crack.

8, Birth later period, cauline stalk lignification, and the pith ministry inside the bine is formed hollow.