Alternatively it may be referring to the Alder trees which grew nearby.

Without turning around, the magic-user ran back to the shadows of her alder tree.

Father Roche led the donkey off to the side and tied it to an alder tree.

A smiling moon floated among the fluttering leaves of an alder tree.

Jamie put an arm about his nephew's shoulders and turned him, before he should notice the thing hanging from the alder tree.

The island is low ground covered with a sandy seashore and dominated by alder trees.

An alder tree leaned over the water by the lakeside, and Mike guided the boat there.

The plants present include alder trees, mature hawthorn bushes, some of them planted by local schools.

The name Owlerton is believed to come from the abundant growth of Alder trees in the area.