Square-stalked Willowherb
Epilobium tetragonum

Family: Onagraceae

What it is like

A herb. It is erect and has several stems. It grows 0.1-1.3 m high. It keeps growing from year to year. The leaves are in a ring near the base. The flowers are pink, purple or red.

There are about 165 Epilobium species. They are mostly temperate.

Where it is found

It is a temperate plant. It grows in peaty sands and swamps.

Countries/locations it is found in

Africa, Asia, Australia, Britain, Central Asia, China, Eswatini, Europe, France, Iceland, Iran, Ireland, Luxembourg, Middle East, North Africa, Pakistan, South Africa, Southern Africa, South America, Swaziland, Tajikistan

How it is used for food

Edible parts

Leaves

How it is grown

Its other names

Local names

Synonyms

Epilobium adatum Griseb.;