Definition

1. Noun:
   • A perennial plant species: Polemonium caeruleum is a European perennial herb known for its bright blue or white flowers and pinnate (feather-like) leaves.

Usage

• Noun:
  • Polemonium caeruleum is commonly known as Jacob's ladder or Greek valerian.
  • The garden featured a beautiful cluster of Polemonium caeruleum.

Advanced Usage

• In botanical classification: The name is used in scientific contexts to precisely identify this species within the genus .
  • The study focused on the pollination habits of Polemonium caeruleum.

Variants and Related Words

• Jacob's ladder: A common name for .
• Greek valerian: Another common name for this plant species.
• Polemonium: The genus to which this species belongs.

Synonyms

• Jacob's ladder
• Greek valerian
• Charity (a less common name)

Notes

• This is a proper noun referring to a specific botanical species. It is typically used in scientific, horticultural, or gardening contexts.

Noun

1. pinnate-leaved European perennial having bright blue or white flowers