The plant has a 1.5-2m high stem.
Its stem is stout, red, and streaked green and brown.
The large leaves are heart-shaped or roundish with a heart-shaped base, and greenish-red in colour.
The basal leaves can be up to 60cm wide.

It has dark reddish-purple or yellow flowers in late spring to summer, in densely-branched clusters, in a inflorescence up to 30cm long.
The inflorescence enlarges greatly when in fruit.
The plant has a 1.5-2m high stem. Its stem is stout, red, and streaked green and brown. The large leaves are heart-shaped or roundish with a heart-shaped base, and greenish-red in colour. The basal leaves can be up to 60cm wide.
It has dark reddish-purple or yellow flowers in late spring to summer, in densely-branched clusters, in a inflorescence up to 30cm long. The inflorescence enlarges greatly when in fruit.
Rheum australe