genus bromus

Thân thiện

A botanist carefully examines a specimen of the genus Bromus.

Definition

Noun: * A taxonomic category in biological classification, specifically a genus of grasses belonging to the family Poaceae (also historically called Gramineae). This genus comprises a large group of plants commonly known as bromes or cheat grasses.

Usage

• The word "genus" is always used as part of the full scientific binomial name (e.g., ). When referring to the group as a whole, "the genus " or "" is used.
• It is a singular noun. The standard plural form for multiple species within this group is "bromus species" or "members of the genus ".

Examples

• Scientific Context: "The researcher specialized in studying the genus and its evolutionary history."
• Agricultural Context: "Several species within genus are considered invasive weeds in North American rangelands."
• Descriptive Context: "Genus is characterized by its loose, open panicles and often awned lemmas."

Advanced Usage

• Taxonomic Hierarchy: In formal scientific writing, the genus name is always italicized. The term can be used to discuss taxonomic relationships: " is a genus in the subfamily Pooideae and the tribe Bromeae."
• Ecological Impact: The term is frequently used in ecological studies discussing plant community composition, invasion biology, or forage quality, as many species are ecologically significant.

Variants and Related Words

• Brome (n.): The common name for plants in the genus .
• Bromegrass (n.): Another common name, often used for perennial forage species like (smooth brome).
• Cheatgrass (n.): A common name specifically for the annual species .
• Poaceae (n.): The modern scientific name for the grass family, synonymous with Gramineae.

Synonyms

• Brome grasses (common name)
• The bromes (collective common name)

Notes on Meaning

• The primary meaning is strictly taxonomic. It does not refer to a single plant but to a collective group of related species.
• The family name "Gramineae" is an older, alternative name for "Poaceae." Both refer to the grass family. In modern taxonomy, Poaceae is preferred, but Gramineae remains widely understood.

Học thuật

Noun

1. a genus of grasses of the family Gramineae

Từ đồng nghĩa

• Bromus
• genus Bromus