Gahnia filum (Labill.) F.Muell. APNI*
Synonyms: Schoenus filum Labill. APNI*
Description: Tussock-forming perennial.
Culms 60–110 cm high, 2–3 mm wide.
Leaves flat, erect to spreading, with scabrous margins, as long as or longer than culm, shorter than inflorescence; ligule papery, to 8 mm long; sheaths pink-purplish and dull above to black and very shining at base. Inflorescence long, very narrow, erect, 20–35 cm long, with 2 or 3 nodes, spikelet clusters very dense. Spikelets 1-flowered. Glumes 3 or 4, similar in size, brown, scaberulous to smooth, with acute to acuminate apex. Stamens 3; anthers c. 1.8 mm long excluding appendage 0.4–0.5 mm long. Style 3-fid.
Nut ± linear to very narrow-ovoid, trigonous, 5–6 mm long, 1.0–1.5 mm diam., pusticulate, glistening, straw-coloured to very dark brown.
Distribution and occurrence: Grows in coastal saltmarsh or brackish water; south from Sydney region.
NSW subdivisions: CC, SC
Other Australian states: Vic. Tas. S.A.
Text by K. L. Wilson
Taxon concept: Flora of NSW 4 (1993)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
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