Is dallis grass the same as Bahia grass?

No, they are different species. Dallis grass (Paspalum dilatatum) has broader leaves and a different seed head structure than Bahia grass (Paspalum notatum).

Can dallis grass be used for hay?

Yes, it can be cut for hay, but it must be harvested before the seeds mature to avoid issues with ergot fungus, which can be toxic to livestock.

Why is it called 'dallis' grass?

It is named after A.T. Dallis, a 19th-century American botanist who promoted its use as a pasture grass in the Southern U.S.

How do I control dallis grass in my lawn?

Control typically involves selective herbicides labelled for use against Paspalum species, combined with proper lawn maintenance to encourage dense growth of desired turf grass.

dallis grass

Low

UK/ˈdælɪs ɡrɑːs/US/ˈdælɪs ɡræs/

Technical/Agricultural

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Definition

Meaning

A perennial forage grass native to South America, widely cultivated in warm regions for pasture.

Any of several grasses of the genus Paspalum, especially Paspalum dilatatum, known for its rapid growth and use in grazing systems; sometimes considered a weed in lawns and gardens.

Linguistics

Semantic Notes

Primarily used in agricultural, botanical, and landscaping contexts. The name derives from the 19th-century American botanist A.T. Dallis.

Dialectal Variation

British vs American Usage

Differences

The term is used in both varieties but is more common in American English due to its prevalence in Southern U.S. agriculture. British English might use the Latin name Paspalum dilatatum more frequently in botanical texts.

Connotations

In American English, it often connotes pasture management or a troublesome lawn weed. In British English, it's primarily a botanical/agricultural term with little everyday recognition.

Frequency

Higher frequency in American English, particularly in the Southeastern and Gulf Coast states. Very low frequency in general British English.

Vocabulary

Collocations

strong

pasture of dallis grassdallis grass seeddallis grass pastureinfested with dallis grass

medium

control dallis grassplant dallis grassdallis grass haydallis grass weed

weak

green dallis grasstall dallis grasscommon dallis grassdallis grass field

Grammar

Valency Patterns

The farmer planted [dallis grass] in the pasture.The lawn was overrun by [dallis grass].[Dallis grass] thrives in warm climates.

Vocabulary

Synonyms

Strong

dallisgrassPaspalum

Neutral

Paspalum dilatatumwater grasshairy flowered paspalum

Weak

pasture grasstropical grassforage grass

Vocabulary

Antonyms

turf grasscool-season grassbentgrassfescue

Phrases

Idioms & Phrases

“None”

Usage

Context Usage

Business

Rare, except in agricultural supply or seed company contexts.

Academic

Used in botany, agronomy, and ecology papers discussing pasture species or invasive plants.

Everyday

Very rare; mostly used by farmers, gardeners, or landscapers in affected regions.

Technical

Common in agricultural extension publications, pasture management guides, and weed control manuals.

Examples

By CEFR Level

This grass is called dallis grass.
The field has dallis grass.

Farmers sometimes plant dallis grass for animals to eat.
Dallis grass grows well in warm, wet areas.

Although nutritious for livestock, dallis grass can become an invasive weed in cultivated lawns.
The agricultural extension office recommends specific herbicides to control dallis grass.

The proliferation of dallis grass in the pasture indicated poor management and overgrazing.
Agronomists debate the trade-offs between dallis grass's high forage yield and its potential for ergot infestation.

Learning

Memory Aids

Mnemonic

Think of 'DALLIS' as 'DALLAS' grass – a grass common in the warm Southern U.S., like Texas.

Conceptual Metaphor

None common.

Watch out

Common Pitfalls

Translation Traps (for Russian speakers)

Avoid direct translation as 'трава Даллиса'. Use the botanical term 'паспалум' or descriptive 'кормовая трава паспалум'.

Common Mistakes

Misspelling as 'dallas grass', 'dally grass', or 'dallisgrass' (though the latter is an accepted variant).
Confusing it with similar pasture grasses like Bahia grass or Bermuda grass.

Practice

Quiz

Fill in the gap

In the southern United States, is a common pasture grass, but it is often considered a weed in suburban lawns.

Multiple Choice

What is the primary context for using the term 'dallis grass'?

FAQ

Frequently Asked Questions

: No, they are different species. Dallis grass (Paspalum dilatatum) has broader leaves and a different seed head structure than Bahia grass (Paspalum notatum).
: Yes, it can be cut for hay, but it must be harvested before the seeds mature to avoid issues with ergot fungus, which can be toxic to livestock.
: It is named after A.T. Dallis, a 19th-century American botanist who promoted its use as a pasture grass in the Southern U.S.
: Control typically involves selective herbicides labelled for use against Paspalum species, combined with proper lawn maintenance to encourage dense growth of desired turf grass.