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Cyperus disjunctus C.B.Clarke
Family Cyperaceae
Cyperus disjunctus C.B.Clarke APNI*

Description: Perennial with longish, thick rhizome.

Culms solitary, triquetrous, smooth or scabrous above, 30–100 cm high, c. 1.5 mm diam.

Leaves not septate-nodulose, lower mostly reduced to sheaths, upper usually with blade, as long as culms, 2–7 mm wide. Inflorescence head-like or with 2 or 3 branches to 2 cm long; digitate clusters globose, 6–20 mm diam.; involucral bracts leaf-like, 2 or 3 exceeding inflorescence. Spikelets flattened, 4–12 per cluster, 5–6 mm long, 1.5–2.5 mm wide in side view, 6–14-flowered; rachilla not winged, persistent. Glumes subacute, with thickly 2- or 3-nerved sides, c. 1.5 mm long, dark red-brown. Stamens 3. Style 3-fid.

Nut trigonous, ellipsoid, about as long as glume, c. 1.5 mm long, 0.8–1 mm diam., pale yellow-brown to grey-brown.


Flower
Photo J. & P. Edwards

Flowering: spring–summer.

Distribution and occurrence: Grows in rainforest; in coastal ranges and eastern edge of NT north from Manning R.
NSW subdivisions: NC, NT
Other Australian states: Qld
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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