Definition

Proper noun A taxonomic family of flowering plants, the Platanaceae, which is coextensive with the genus Platanus. This family consists solely of the plane trees (also known as sycamores or buttonwoods).

Usage Notes

• This is a specialized botanical term used in scientific classification (taxonomy).
• It is typically used in academic, horticultural, or botanical contexts.
• The term is often preceded by "the" (e.g., "the family Platanaceae").

Examples

• Proper noun:
  • The family Platanaceae is known for its distinctive bark that peels off in patches.
  • Botanists classify the London plane tree within the family Platanaceae.
  • A key characteristic of Platanaceae is the globular fruiting head.

Advanced Usage

• In taxonomic hierarchy: The term is used to specify a rank (family) within the order Proteales.
  • The phylogenetic study confirmed the placement of the genus Platanus within the family Platanaceae.

Variants and Related Words

• Platanaceae: The standard form, often used without "family."
• Plane tree family: A common English name for this taxonomic group.
• Genus Platanus: The sole genus that constitutes this family.
• Plane tree / Sycamore: Common names for trees belonging to this family (e.g., American sycamore, London plane).

Synonyms

• Plane tree family
• Sycamore family (Note: "Sycamore" can refer to different trees in other regions; in a North American botanical context, it is synonymous.)

Related Terms (Not Synonyms)

• Taxonomy: The science of classification where this term is used.
• Angiosperm: A flowering plant, the larger group to which this family belongs.
• Deciduous: A description of the trees in this family, which lose their leaves annually.

Noun

1. coextensive with the genus Platanus: plane trees