Silphium perfoliatum
Family: Asteraceae
What it is like
A herb. It can grow 2 m tall. The leaves are square. The leaves are almost opposite. They are egg shaped and cup like at the bottom. There are teeth around the edge. The flower heads are 2.5 cm across and golden yellow.
Where it is found
It is a temperate plant. It suits hardiness zones 5-9.
Countries/locations it is found in
North America, Slovenia, USA
How it is used for food
The young leaves are cooked and eaten.
Edible parts
Leaves