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 tetraphyllus R.Br.
Family Cyperaceae
Cyperus tetraphyllus R.Br. APNI*

Description: Tufted perennial with short rhizome.

Culms triquetrous, smooth, to 50 cm high, 1–2.5 mm diam.

Leaves not septate-nodulose, shorter or longer than culms, 2–5 mm wide. Inflorescence usually simple with 4–10 branches to 10 cm long, rarely head-like; digitate clusters to 40 mm diam.; involucral bracts leaf-like, 3–6 longer than inflorescence. Spikelets flattened, 2–5 per cluster, 6–40 mm long, c. 2 mm wide in side view, 10–60-flowered; rachilla not winged, persistent. Glumes obtuse, short-mucronate, with sides not to thickly several-nerved, 1.5–2 mm long, very dark red-brown to blackish. Stamens 3. Style 3-fid.

Nut trigonous, ellipsoid, about as long as glume but broader than it, c. 1.3 mm long, c. 0.8 mm diam., yellowish.


Flowering: spring–summer.

Distribution and occurrence: Grows in or near rainforest; north from Minnamurra Falls, extending inland to Barrington Tops area.
NSW subdivisions: NC, CC, NT, CWS
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.
  Privacy | Copyright | Disclaimer | About PlantNET | Cite PlantNET