Gahnia filum (Chaffy Saw-sedge)

Gahnia filum, Cherry Lake, Altona, Victoria, Australia

Photograph by Melburnian. Some rights reserved. (view image details)

Growth Characteristics information is sourced from: State Flora Catalog, Government of South Australia Licensed under Creative Commons CC BY 4.0 license.

CHAFFY SAW-SEDGE FACTS

distribution map showing range of Gahnia filum in Australia

Map is from The Atlas of Living Australia web site, licensed under Creative Commons Attribution 3.0 Australia License

Common Name
Chaffy Saw-sedge

Description
The Chaffy Saw-sedge is a tussock-forming perennial with flat grassy leaves. It has brown flower spikes in spring and summer.

Habitat
coastal saltmarsh

Distribution
New South Wales, Victoria., South Australia, Tasmania.,

Growth Characteristics
Height (m): 1 - 1.5
Spread (m): 1 - 1.5
Soil Texture: sand, loam
Soil pH: soils with pH less than 8
Frost Sensitivity: resistant
Minimum Rainfall (mm): 550
Flower Colour: blue
Flower Season: frequent

(source: SA State Flora Catalog)

Wildlife Interest
attracts moths and butterflies. caterpillar food source. The caterpillar of the Altona Skipper butterfly feeds on this species.

Classification

Class:	Liliopsida
Order:	Poales
Family:	Cyperaceae
Genus:	Gahnia
Species:	filum
Common Name:	Chaffy Saw-sedge