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 brevifolius (Rottb.) Hassk.
Family Cyperaceae
Common name: Mullumbimby Couch

Cyperus brevifolius (Rottb.) Hassk. APNI*

Synonyms: Kyllinga brevifolia Rottb. APNI*

Description: Slender perennial with long slender rhizome.

Culms solitary, triquetrous, smooth, 5–40 cm high, 0.7–1.5 mm diam.

Leaves not septate-nodulose, shorter than culms, 1–3 mm wide. Inflorescence head-like, ovoid or subglobose, 4–10 mm long, 3–7 mm diam., rarely with 2 small subsidiary heads; involucral bracts leaf-like, 2–5 longer than inflorescence. Spikelets flattened, sometimes exceeding 100 per head, 2–4 mm long, c. 1 mm wide in side view, 1- (rarely 2-)flowered, falling as a unit. Glumes short-mucronate, with toothed or occasionally smooth midrib, sides 2- or 3-nerved, 1–4 mm long, whitish to pale brown. Stamens 1 or 2 (rarely 3). Style 2-fid.

Nut biconvex, obovate to elliptic, 1–1.5 mm long, 0.5–0.7 mm wide, yellow-brown.


Flower
Photo J. & P. Edwards

Flowering: spring–summer.

Distribution and occurrence: A common weed in lawns and disturbed situations; scattered on coast north from Batemans Bay, also near Bingara and Moama. Native of trop. regions.
NSW subdivisions: *NC, *CC, *SC, *NWS, *CWS, *SWP, *LHI
Other Australian states: *Qld *Vic. *S.A. *N.T. *W.A.
AVH map***

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