Salix caprea and Sallow

Salix caprea noun - Much-branched Old World willow having large catkins and relatively large broad leaves.

Sallow and Salix caprea are semantically related. In some cases you can use "Sallow" instead a noun phrase "Salix caprea".

Sallow noun - Any of several Old World shrubby broad-leaved willows having large catkins; some are important sources for tanbark and charcoal.

Salix caprea and sallow are semantically related. Sometimes you can replace phrase "Salix caprea" with "Sallow", this terms are similar.