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Cyathochaeta diandra (R.Br.) Nees
Family Cyperaceae
Cyathochaeta diandra (R.Br.) Nees APNI*

Description: Tuft-forming perennial.

Culms ± compressed, glabrous, smooth, 1-noded, to 60 cm long, 1.5–2.5 mm diam.

Leaves rigid, flattened above, channelled to triangular below, often twisted, shorter than to exceeding culm; sheaths pale yellow-brown to dark red-brown, fibrous remains persistent. Inflorescence to 80 cm long, to twice as long as culm. Spikelets c. 15 mm long. Glumes 3 or 4, lowest glume shorter than upper fertile glumes, yellow-brown to dark red-brown, glabrous, long-acute to mucronate, upper fertile glumes 14–15 mm long. Hypogynous bristles c. half length of body of nut. Anthers 6–8 mm long, with apical appendage 0.2–0.3 mm long.

Nut narrow-oblong, pale brown, often scabrous on margins, body c. 7 mm long, style base c. 8 mm long.


Flowering: spring–summer.

Distribution and occurrence: Grows in dry sclerophyll woodland, on sandy soils; in coastal areas south from Lake Macquarie, extending inland to the lower Blue Mtns.
NSW subdivisions: NC, CC, SC, CT
Other Australian states: Qld Vic.
AVH map***

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
***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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