Definition

Noun: 1. A genus of flowering plants: "Genus Laburnum" is the scientific name for a small group of flowering shrubs or small trees in the pea family (Fabaceae). They are characterized by their bright yellow, pendulous flower clusters. 2. A toxic plant group: All parts of plants within this genus are known to be poisonous, containing cytisine and other alkaloids.

Usage

• "Genus Laburnum" is used in formal, scientific, and botanical contexts to classify and refer to these specific plants.
• It is often followed by the species name to identify a particular type, such as (common laburnum).

Examples

Advanced Usage

• In Taxonomic Hierarchy: The term is used to denote a rank above "species" and below "family." For example: Family Fabaceae > Genus Laburnum > Species .
• In Horticulture: Used in plant catalogs, botanical gardens, and academic papers to precisely identify the plant group, distinguishing it from other yellow-flowering genera like (broom).

Variants and Related Words

• Laburnum (n): The common name for plants in this genus. Often used interchangeably in non-scientific contexts (e.g., "I planted a laburnum in my garden").
• Golden chain tree / Golden rain tree (n): Common names for the most well-known species, and , describing their appearance.

Synonyms

• Laburnum (when used as the common name for the genus).
• Golden chain tree genus (a descriptive synonym).

Notes on Meaning

• The primary meaning is botanical and taxonomic, referring to a specific group of plants with shared characteristics.
• The connotation of toxicity is a critical, defining feature of this genus and is almost always associated with it in scientific descriptions.

Noun

1. flowering shrubs or trees having bright yellow flowers; all parts of the plant are poisonous