A truffle is a fungus which lives in symbiosis with the roots of certain plants, such as oak, hazel, beech, poplar and willow trees.

Truffles are fungi that live in symbiosis with the roots of several plants, such as oaks, nut trees, beeches, poplars, and willows.

We walked along an avenue of tall poplars.

Yanni weaves strong baskets with poplar bark.

On the other side of the river is a poplar wood.

A cool wind was blowing down over the long harvest fields from the rims of firry western hills and whistling through the poplars.

There's a poplar wood on the other side of the river.

The white poplar was uprooted.

Yanni uses poplar bark to weave baskets.

And Jacob took green rods of poplar, and of almond, and of plane-trees, and pilled them in part; so when the bark was taken off, in the parts that were pilled, there appeared whiteness; but the parts that were whole remained green; and by this means the colour was divers.