genus Digitaria
Definition
Proper noun * Genus Digitaria: A genus of plants in the grass family (Poaceae), commonly known as crabgrass or finger grass. These are typically annual or perennial grasses found in warm temperate and tropical regions, often considered weeds in lawns and cultivated fields.
Usage
- The term "genus Digitaria" is used in formal, scientific contexts such as botany, agriculture, and horticulture to classify and discuss this specific group of grasses.
- It is often followed by a species name to identify a particular type within the genus.
Examples
- Scientific Classification: " is part of the subfamily Panicoideae."
- Agricultural Context: "The most problematic weeds in the turf were identified as belonging to ."
- With Species Name: " (hairy crabgrass) is a widespread species within ."
Advanced Usage
- In Taxonomic Hierarchy: The name is always capitalized ("Digitaria") when referring to the genus. In botanical texts, the genus name may be italicized.
- Example: "The study focused on several Digitaria species."
Variants and Related Words
- Digitaria (n): The standard abbreviated form of the genus name used in scientific writing.
- Crabgrass (n): The common name for many weedy species in this genus.
- Finger Grass (n): Another common name for grasses in this genus, referring to the finger-like arrangement of their flower spikes.
Synonyms
- Crabgrass genus: A descriptive synonym.
- Finger grass genus: A descriptive synonym.
Notes on Meaning
- The primary meaning is strictly taxonomic, referring to the biological genus. The common names "crabgrass" and "finger grass" refer to the observable plants themselves and their weedy characteristics.
Noun
-
crab grass; finger grass
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