Poaceae

Dallisgrass

Paspalum dilatatum Poir.

Family: Poaceae
Genus: Paspalum

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Common names

By language (5)

Chinese: 毛花雀稗
English: Dallisgrass, Dallas grass, Dallis grass, Sticky heads
French: Herbe de Dallis, Millet bâtard, Paspale dilaté
Japanese: シマスズメノヒエ
Persian: ارزن باتلاقی

Synonyms

Digitaria dilatata (Poir.) Coste
Panicum platense (Spreng.) Kuntze
Paspalum dilatatum f. paucispica Hack.
Paspalum dilatatum subsp. dilatatum
Paspalum dilatatum subsp. flavescens Roseng., B.R.Arrill. & Izag.
Paspalum dilatatum var. decumbens Vasey
Paspalum dilatatum var. dilatatum
Paspalum dilatatum var. eriophorum (Schult.) Steud.
Paspalum dilatatum var. sacchariferum Arechav.
Paspalum eriophorum Schult. & Schult.f.
Paspalum lanatum Spreng.
Paspalum moluccanum Huber
Paspalum ovatum Nees ex Trin.
Paspalum ovatum var. grandiflorum Nees
Paspalum ovatum var. ovatum
Paspalum pedunculare J.Presl
Paspalum platense Spreng.
Paspalum selloi Spreng. ex Nees

Flowers

Flower colour: yellow (USDA PLANTS Database)

Characteristics

Growth habit: Graminoid
Lifespan: Perennial
In the US and Canada: Hawaii: introduced, Lower 48 states: introduced, Pacific Basin: introduced, Puerto Rico: introduced

Toxicity: Slight, as listed by the USDA PLANTS Database (2025-05-29). USDA rates how toxic a plant is to people or livestock; it is not a pet-safety rating, so ask a vet or poison line if a pet or child ate it.

Photos

Photo: Didier Descouens, CC BY-SA 4.0, from Wikimedia Commons
Photo: John Tann from Sydney, Australia, CC BY 2.0, from Wikimedia Commons
Photo: Harry Rose from South West Rocks, Australia, CC BY 2.0, from Wikimedia Commons
Photo: Harry Rose from South West Rocks, Australia, CC BY 2.0, from Wikimedia Commons
Photo: Harry Rose from South West Rocks, Australia, CC BY 2.0, from Wikimedia Commons
Photo: Harry Rose from South West Rocks, Australia, CC BY 2.0, from Wikimedia Commons
Photo: Harry Rose from South West Rocks, Australia, CC BY 2.0, from Wikimedia Commons
Photo: Harry Rose from South West Rocks, Australia, CC BY 2.0, from Wikimedia Commons
Photo: Harry Rose from South West Rocks, Australia, CC BY 2.0, from Wikimedia Commons
Photo: Harry Rose from South West Rocks, Australia, CC BY 2.0, from Wikimedia Commons
Photo: Harry Rose from South West Rocks, Australia, CC BY 2.0, from Wikimedia Commons
Photo: Harry Rose from South West Rocks, Australia, CC BY 2.0, from Wikimedia Commons

More in Paspalum

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.