Definition

Noun: 1. A flowering plant species: A perennial herbaceous plant (Epilobium hirsutum) native to Europe and Asia, characterized by purplish-red flowers and stems and leaves covered in soft hairs. It has been introduced and naturalized in other regions, including North America.

Usage Examples

• Noun:
  • The damp ditch was lined with hairy willowherb, its pink flowers standing out against the green.
  • Hairy willowherb is often found in wet habitats like riverbanks and marshes.
  • Botanists noted the rapid spread of the introduced hairy willowherb along the creek.

Advanced Usage

• In botanical description: The term is used precisely to identify the specific species within the willowherb genus (), distinguishing it from similar species like great willowherb () or American willowherb ().
• In ecology: Often discussed in the context of "invasive species" or "naturalized plants" in regions where it is not native, due to its vigorous growth and ability to colonize wet, disturbed ground.

Variants and Related Words

• Great willowherb (): Also known as fireweed, a related species with similar flowers but typically taller, less hairy, and with narrower leaves.
• Willowherb (n): The common name for plants in the genus .
• Epilobium hirsutum (n): The scientific Latin name for hairy willowherb.

Synonyms

• Codlins-and-cream (regional/common name): An old-fashioned name for this plant, reportedly referring to the scent of its leaves.
• Great hairy willowherb: A variant of the common name.

Notes on Meaning

The definition refers specifically to a single plant species. The name descriptively combines "hairy" (referring to the soft hairs on the stems and leaves) and "willowherb" (the common name for its genus, as the leaves resemble those of a willow tree).

Noun

1. plant of Europe and Asia having purplish-red flowers and hairy stems and leaves; introduced into North America