Cabbage Family?

Cabbage Family?

Observation - Cabbage Family?. Description: A tall (50cm) plant standing erect topped by numerous small yellow flowers. The upper and lower leaves are very different shapes but both seem to clasp the stalk and host smaller offshoots.

A tall (50cm) plant standing erect topped by numerous small yellow flowers. The upper and lower leaves are very different shapes but both seem to clasp the stalk and host smaller offshoots.