Birds Beak Grass

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Thuarea involuta

Family : Poaceae

This plant is a hardy, pioneer grass with long runners that help to bind the sand. It has bright green leaf blades that are short but broad and densely coated with short hairs, giving the grass a velvet look and feel.

Flowers are white and protrude from the sheath as they begin to bloom. The flowers are bisexual and have multiple male and female parts. These appear along the grass sheath in groups of 5 – 9. When the grass is in flower it has the appearance of a bird’s beak. Fruits are formed as a grass spike that has a water-tight covering. The spike is light and buoyant to aid water dispersal.

Birds Beak Grass is hardy, being found on fore dunes. It will grow in gardens with well-drained soils or sand and is being trialled for beachfront revegetation. It is considered an attractive ground cover or alternative to conventional lawn.


Quick Facts

Flowers All year
Fruit All year
Coastal Zone Fore Dune
Fauna Habitat Insects
Growth Habit Grass
Typical Height Creeper
Soils Well Drained Soils
Amount of Sun Full Sun to Shade
Amount of Water Dry to Moderately Wet Areas
Salt Tolerance Extremely Tolerant


NQ Dry Tropics gratefully acknowledges the contribution of the Coastal Dry Tropics Landcare Group Incorporated (CTDLI) to the development of this page's information.

Related information

Birds Beak Grass © NQ Dry Tropics

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