PlantNET Home DONATE TODAY | PlantNET Home | Search NSW Flora | Contact Us  
Plant Name Search
Index Search
Spatial Search
Identification Keys
Telopea Journal
Other Data Sources

Cyperus dietrichiae var. brevibracteatus (Domin) Kük.
Family Cyperaceae
Cyperus dietrichiae var. brevibracteatus (Domin) Kük. APNI*

Description: Tufted perennial with very short rhizome.

Culms trigonous, smooth, 20–45 cm high, 1.5–2 mm diam.

Leaves not septate-nodulose, shorter than culms, to 2.5 mm wide. Inflorescence simple or subcompound, with 4–10 branches to 10 cm long, sometimes reduced to a dense sessile spike; spikes broad-cylindrical, to c. 1 cm long, c. 3 cm diam.; involucral bracts leaf-like, 1–3 longer than inflorescence. Spikelets terete, numerous per spike, flexuous, 10–20 mm long, c. 0.5 mm diam., almost subulate, 3–6-flowered; rachilla broadly winged; spikelet falling as unit. Glumes remote, closely appressed to rachilla, with sides several-nerved, 2.3–2.7 mm long, pale to red-brown. Stamens 3. Style 3-fid.

Nut trigonous, narrow-ellipsoid, more than half as long as glume, c. 1.7 mm long, c. 0.4 mm diam., dark grey.

Flowering: spring–summer.

Distribution and occurrence: Grows in woodland on sandy soil; north from Brunswick Heads.
NSW subdivisions: NC
Other Australian states: Qld
AVH map***

This differs from typical C. dietrichiae (in Qld and N.G.) in its shorter glumes and spikelets, fewer bracts, and generally more slender plants. It may be better treated as a species.

Text by KL Wilson (1993)
Taxon concept: Flora of NSW vol 4 (1993)

The single variety in NSW. Characters and distribution as for the species in NSW.

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