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 flavidus Retz.
Family Cyperaceae
Common name: Yellow Flat-sedge

Cyperus flavidus Retz. APNI*

Synonyms: Pycreus flavidus (Retz.) T.Koyama APNI*

Description: Tufted annual or perennial.

Culms trigonous, smooth, 5–60 cm high, 1–1.5 mm diam.

Leaves not septate-nodulose, shorter or longer than culms, mostly 1–2 mm wide. Inflorescence simple or subcompound with 2–6 primary branches to 5 cm long, or head-like; spikes ovoid to broad-ovoid, to 3 cm diam.; involucral bracts leaf-like, 2–4 exceeding inflorescence. Spikelets flattened, 5–20 per spike, 10–25 mm long, 1.5–2.5 mm wide in side view, 12–50-flowered; rachilla not winged, persistent. Glumes obtuse, with 3-nerved midrib, 1.5–2.5 mm long, 1–1.5 mm wide, yellow-brown to very dark brown with hyaline margins. Stamens 2. Style 2-fid.

Nut biconvex, obovate to elliptic, less than half as long as glume, 0.8–1.2 mm long, 0.4–0.6 mm wide, dark brown to black.


Herbarium
Sheet

Flowering: spring–summer.

Distribution and occurrence: Grows in open swampy situations; widespread but scattered on coast and tablelands, extending to eastern edge of western slopes.
NSW subdivisions: NC, CC, NT, CT, ST, NWS, SWS
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.
  Privacy | Copyright | Disclaimer | About PlantNET | Cite PlantNET