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Gahnia insignis S.T.Blake
Family Cyperaceae
Gahnia insignis S.T.Blake APNI*

Description: Decumbent perennial.

Culms slender, decumbent, 50–200 cm high (including inflorescences), 1–2.5 mm diam.

Leaves spreading, smooth, shorter than culms, ± flat; ligule narrow, papery, with short fimbriate upper margin; sheaths red-brown to very dark red-brown, shining. Inflorescence small, slender, ascending, half-hidden amongst cauline leaves and long leaf-like involucral bracts, 7–16 cm long, with 5–8 nodes. Spikelets 1-flowered. Glumes 2 or 3, similar in size, straw-coloured to red-brown, glabrous or ciliate on margins, with acute to aristate apex. Stamens 3 or 4; anthers 3.0–3.5 mm long (including apical appendage 0.3–0.4 mm long). Style 2–5-fid.

Nut narrow-obovoid, obscurely trigonous or subterete, 2.2–2.8 mm long, 1.0–1.3 mm diam., granulate, glistening, straw-coloured to brown.


Flowering: spring.

Distribution and occurrence: Grows on slopes in forest and occasionally in heath, often on volcanic soils; on the ranges south to Comboyne and Lansdowne areas.
NSW subdivisions: NC
Other Australian states: Qld
Threatened species: ROTAP: 3RCa
AVH map***

Text by K. L. Wilson (1993); edited KL Wilson (Feb 2012)
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
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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