Chordifex ornatus (Steud.) B.G.Briggs & L.A.S.Johnson
Telopea 8:25 (1998)

Conservation Code: Priority Two
Naturalised Status: Native to Western Australia
Name Status: Current

Brief Description
Amanda Spooner, Wednesday 22 October 1997

Rhizomatous, perennial, herb. Fl. brown, Oct. Grey-white sand, sandy clay. Sandy rises.


Beard’s Provinces: South-West Province.

IBRA Regions: Avon Wheatbelt, Esperance Plains.

IBRA Subregions: Avon Wheatbelt P2, Fitzgerald.

Local Government Areas (LGAs): Albany, Broomehill-Tambellup, Cranbrook, Plantagenet.

Scientific Description
Chris Hollister and Kevin Thiele, Friday 1 September 2017

Rhizomes spreading or tufted, hairy. Basal sheath tuft of hair at apex, dull, striate. Culms terete, internal structure (at base of culm) hollow, glabrous, striate, not marbled, not fasciculate. Culm 150-570 mm long. Sheaths (including blade) appressed throughout, dull, striate, hairy, margins not translucent. Apex elongated, hairy. Dioecious (with separate male and female plants). Male and female inflorescences distinctly dissimilar, posture (male inflorescences only) More or less erect, Culms unbranched below the inflorescence. Male spikelet 6-10 mm long. Subtending bract hairy, Outer bract 6-7 mm long, margins firm and opaque, Apex acuminate to attenuate. Perianth glabrous. 3.4-4 mm long. Inner bract glabrous, margins thin and translucent, Apex acuminate to attenuate. Inner bract 4.7-8.5 mm long. Filament 1.6-2.7 mm long. Anther 1.5-2 mm long. Female spikelet 8-93 mm long. Subtending bract hairy, margins thin and translucent, Apex acuminate to attenuate. Outer bract 3.2 mm long. Perianth glabrous. 3.2-4 mm long. Inner bracts 5-6.2 mm long, glabrous, margins thin and translucent, Apex acuminate to attenuate. Style two (or two-branched). 3-3.3 mm long. Fruit bilocular (capsule). Flowering Time October. Botanical Province South-West, IBRA Bioregions Avon Wheatbelt or Esperance. Conservation Code Priority Two (P2).