Definition

Noun: 1. A taxonomic category in biological classification: "genus Lobelia" is the scientific name for a genus of flowering plants within the family Campanulaceae (the bellflower family). In some older or alternative classification systems, it is considered the type genus for a separate family called Lobeliaceae.

Usage Notes

• "Genus Lobelia" is a formal, scientific term used in botany, biology, and horticulture.
• The word "genus" is always capitalized when part of the full scientific name (e.g., ). In common usage, it is often referred to simply as "Lobelia."
• It refers to the entire group of species sharing common characteristics, not a single plant.

Examples of Usage

• Scientific Context:
  • The botanist specialized in studying the diverse species within genus Lobelia.
  • This plant's correct nomenclature places it in genus Lobelia.
• Horticultural Context:
  • Many popular garden flowers, like cardinal flower, belong to genus Lobelia.

Advanced Usage

• Taxonomic Discussion: The term is used when discussing plant classification and relationships.
  • The debate centered on whether genus Lobelia should remain in Campanulaceae or define its own family, Lobeliaceae.

Variants and Related Words

• Lobelia (n): The common name for plants of this genus.
  • I planted blue lobelia in the window box.
• Lobeliaceae (n, proper): The proposed separate family name for this genus and its relatives in some classification systems.
• Campanulaceae (n, proper): The bellflower family, which includes genus in the most widely accepted modern classifications.

Synonyms

• Lobelia (when used to refer to the taxonomic group)

Related Terms (Scientific Context)

• Genus (n): The rank in biological taxonomy above species and below family.
• Type genus (n): The genus that serves as the reference point for naming and defining a family.
• Species (n): The basic unit of biological classification; genus contains many species (e.g., , ).

Noun

1. in some classifications considered the type genus of a separate family Lobeliaceae