Alderian
Alderian is the adjective used to describe things related to alder trees, the genus Alnus, or to alder wood. In botanical and ecological contexts, alderian terms may appear in descriptions of species characteristics, habitats, or wood properties. The term is less common than simply "alder" and may be encountered in stylistic or historical writing.
Etymology and scope: The word stems from Alnus, the genus name, with the standard English suffix -ian
Botany and ecology: Alder trees are typically deciduous and often occupy moist soils along streams and wetlands
Timber and uses: Alder wood is light, soft, and easy to work, with a fine, straight grain.
See also: Alder, or Adlerian (psychology) to avoid confusion.