Ptilotus tetrandrus Benl

Nuytsia 2:232-235 (1978)
Conservation Code
Priority One
Naturalised Status
Native to Western Australia
Name Status

Annual, herb, 0.15-0.3 m high. Fl. Oct. Loamy sand.

Grazyna Paczkowska, Descriptive Catalogue, 9 May 1996

Scientific Description

Annuals, stems several, more or less erect, glabrescent, with nodose hairs. Leaves present, 8-45 mm long, 1.5-5 mm wide, glabrescent, with nodose hairs; basal rosette absent; cauline leaves alternate. Spikes green or brown, cylindrical, solitary, with loosely arranged flowers. Bracts 3.5-4 mm long, coloured, glabrous, not awned or mucronate, with an obscure midrib. Bracteoles 2-2.5 mm long, colourless, glabrous, not awned or mucronate, with an obscure midrib. Outer tepals (4.5-)5.2-5.5(-6) mm long, entire. Inner tepals (4.1-)4.2-4.5(-5) mm long, with a basal tuft of hairs on inner face. Style (3.7-)4-4.5(-5) mm long, straight, obliquely fixed to ovary. Distribution: Eremaean Botanical Region; IBRA regions: Little Sandy Desert, Murchison.

R. Davis, 21 March 2019


IBRA Regions
Little Sandy Desert, Murchison.
IBRA Subregions
Eastern Murchison, Trainor.
Local Government Areas (LGAs)
Leonora, Wiluna.