smooth crabgrass
Definition
Noun: 1. A common lawn weed: "Smooth crabgrass" is the common name for a specific, low-growing, annual grass (Digitaria ischaemum) that is considered a problematic weed in lawns and gardens. It spreads quickly, forming dense mats that crowd out desirable turf grasses.
Examples of Usage
- Noun:
- The hot, dry weather has allowed smooth crabgrass to take over the thin areas of the lawn.
- To prevent smooth crabgrass, apply a pre-emergent herbicide in the early spring.
- The key to identifying it is the smooth, hairless stems, unlike its relative, hairy crabgrass.
Advanced Usage
- As a botanical specimen: In a botanical or horticultural context, "smooth crabgrass" is used to precisely identify the species within the genus .
- The specimen was confirmed to be Digitaria ischaemum, commonly known as smooth crabgrass.
Variants and Related Words
- Crabgrass (n): The general common name for weedy grasses in the genus, which includes both smooth and hairy species.
- Digitaria ischaemum (n): The formal botanical (Latin) name for smooth crabgrass.
- Annual grass (n): A descriptive term classifying its life cycle (it completes its life cycle in one year).
Synonyms
- Weed: A general term for any unwanted plant.
- Lawn pest: A descriptive term highlighting its status as a nuisance in cultivated grass.
Related Phrases
- To control smooth crabgrass: Refers to the act of managing or eliminating this weed.
- Proper mowing height is essential to control smooth crabgrass.
- Smooth crabgrass infestation: Describes a situation where this weed is present in large, problematic numbers.
- The entire park is suffering from a severe smooth crabgrass infestation.
Noun
-
a weed
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