Lepidobolus preissianus subsp. volubilis (Nees) B.G.Briggs & L.A.S.Johnson
Telopea 8:28 (1998)

Conservation Code: Not threatened
Naturalised Status: Native to Western Australia
Name Status: Current

Brief Description
Helen Coleman, Monday 8 June 1998

Dioecious rhizomatous, caespitose perennial, herb (sedge-like), 0.15-0.3 m high, brown spikelets and glaucous stems. Fl. Sep to Nov. Yellow siliceous sand. Plains.


Beard’s Provinces: Eremaean Province, South-West Province.

IBRA Regions: Avon Wheatbelt, Coolgardie, Geraldton Sandplains, Mallee, Swan Coastal Plain.

IBRA Subregions: Avon Wheatbelt P1, Avon Wheatbelt P2, Dandaragan Plateau, Geraldton Hills, Lesueur Sandplain, Southern Cross, Western Mallee.

Local Government Areas (LGAs): Coolgardie, Coorow, Cunderdin, Greater Geraldton, Irwin, Kellerberrin, Kondinin, Lake Grace, Merredin, Mingenew, Moora, Mukinbudin, Narembeen, Northampton, Tammin, Three Springs, Westonia, Wongan-Ballidu, Yilgarn.

Scientific Description
C. Hollister and K.R. Thiele, Friday 1 September 2017

Rhizomes spreading, hairy. Basal sheath glabrous, glossy, striate. Culms terete, internal structure (at base of culm) hollow, hairy, not striate, not marbled, not fasciculate. Culm 70-460 mm long. Sheaths (including blade) spreading, dull, not striate, hairy, margins not translucent. Apex finely pointed, hairy. Dioecious (with separate male and female plants). Male and female inflorescences similar, posture (male inflorescences only) More or less erect, Culms unbranched below the inflorescence. Male spikelet 10-15 mm long. Subtending bract hairy, Outer bract 6-7.7 mm long, margins thin and translucent, Apex acuminate to attenuate. Perianth glabrous. 6-6.4 mm long. Inner bract hairy, margins thin and translucent, Apex acuminate to attenuate. Inner bract 6.6-8 mm long. Filament 6-7.5 mm long. Anther 2.5-3 mm long. Female spikelet 11-15 mm long. Subtending bract hairy, margins thin and translucent, Apex acuminate to attenuate. Outer bract 9-10 mm long. Perianth glabrous. 6-7 mm long. Inner bracts 7-9.2 mm long, hairy, margins thin and translucent, Apex acuminate to attenuate. Style one, arising centrally from the ovary apex. 7.5-8 mm long. Fruit indehiscent (nut). Flowering Time September, October or November. Botanical Province Eremaeam or South-West, IBRA Bioregions Coolgardie, Geraldton Sandplain, Swan Coastal Plain, Avon Wheatbelt or Mallee.