Definition

Noun 1. A large evergreen tree of the western United States: This term refers to a specific coniferous tree species (Tsuga mertensiana) native to mountainous regions of western North America. It is noted for its size, evergreen nature, and wood that is harder than that of the related eastern hemlock.

Usage Examples

• Noun:
  • The forest was dominated by tall black hemlocks.
  • The timber from the black hemlock is valued for its durability.

Advanced Usage

• As a botanical identifier: The term is used primarily in forestry, botany, and natural history to distinguish this specific species from other hemlocks, such as the Eastern Hemlock () or the Western Hemlock ().

Variants and Related Words

• Mountain hemlock (n): The more common name for the same tree species ().
• Hemlock (n): The general term for trees of the genus . "Black hemlock" is a specific type of hemlock.
• Conifer (n): A broader category of cone-bearing trees that includes hemlocks, pines, and firs.

Synonyms

• Mountain hemlock: This is the standard synonym.
• Tsuga mertensiana: The scientific Latin name.

Notes on Meaning

• Not a Poisonous Plant: It is critical to distinguish this tree from the poisonous herb also called "hemlock" (genus ). "Black hemlock" refers only to the non-poisonous coniferous tree.
• Regional Specificity: The term specifically denotes a tree species native to the western coastal and mountainous regions of the United States and Canada.

Noun

1. large evergreen of western United States; wood much harder than Canadian hemlock