PlantNET Home PlantNET Home | Search NSW Flora | Contact Us  
FloraOnline
Introduction
Plant Name Search
Index Search
Spatial Search
Identification Keys
Classification
Glossary
HerbLink (Type Images)
WeedAlert
Other PlantNET Sites
Other Data Sources
NEW SOUTH WALES FLORA ONLINE Printable Page

Cyperus aggregatus (Willd.) Endl.
Family Cyperaceae
Cyperus aggregatus (Willd.) Endl. APNI*

Description: Small tufted perennial with short, thick rhizome. Culms triquetrous, smooth, with bulbous base, 5–60 cm high, 1–2.5 mm diam.

Leaves not to slightly septate-nodulose, mostly shorter than culms, 1–6 mm wide.

Inflorescence simple, with 3–6 dense spikes either sessile or rarely on short branches to 1.5 cm long; spikes ovoid to oblong-cylindrical, 1–3 cm long, 4–10 mm diam.; involucral bracts leaf-like, 2–4 exceeding inflorescence. Spikelets subterete, numerous per spike, 3–6 mm long, c. 1.5 mm diam., 1–3-flowered; rachilla broadly winged; spikelet falling as unit. Glumes acute, with sides 4-nerved, 3–4 mm long, whitish to yellow-brown. Stamens 3. Style 3-fid.

Nut trigonous, obovoid or ellipsoid, about two-thirds length of glume, 1.5–2.1 mm long, 0.8–1 mm diam., blackish.


Flower
Photo J. & P. Edwards

Flowering: spring–summer.

Distribution and occurrence: Naturalised near Kingscliff, Iluka, Grafton, Myall Lakes, Bemboka, Bebo State Forest, Inverell, Tingha, Warialda, Kootingal, and lower Hunter Valley to Sydney. Native of S Amer.

A weed in sandy soil.
NSW subdivisions: *NC, *CC, *NWS, *CWS, *SC
Other Australian states: *Qld *N.T.
AVH map***

Text by K. L. Wilson (1993); edited KL Wilson (Jan 2008)
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.
  Privacy | Copyright | Disclaimer | About PlantNET | Cite PlantNET