Juvenile Leaves are mostly bipinnate with sheath like petioles. Leaves are found both basally and along branches.
Leaflets are lance shaped, sharply pointed and toothed.
Lateral veins in the leaflets end at the base of the teeth. Mature Mature plants grow to be about 60 to 150 cm tall with hollow stems which sometimes reach up to 2.5 cm in diameter. The root stock is fleshy with shortened internodes which give the root the appearance of being full of chambers. There are numerous flowers arranged in several compound umbels. Flowers are white to greenish with 15 to 30 rays.