вязовое

In a sentence

• В центре парка растет старое вязовое дерево.

  In the center of the park grows an old elm tree.

  Here, 'вязовое' describes the type of tree, specifying that it is an elm tree.

• В книге описывались вязовые леса на севере России.

  The book described elm forests in the north of Russia.

  In this context, 'вязовые' is used as an adjective to describe forests mainly consisting of elm trees.

• Маленькая деревня была окружена вязовыми рощами.

  The small village was surrounded by elm groves.

  Here, 'вязовыми' is the instrumental plural form, referring to groves formed by elm trees.