Ptilotus tetrandrus Benl
Nuytsia 2:232-235 (1978)

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

Brief Description
Grazyna Paczkowska, Thursday 9 May 1996

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


Beard’s Provinces: Eremaean Province.

IBRA Regions: Little Sandy Desert, Murchison.

IBRA Subregions: Eastern Murchison, Trainor.

Local Government Areas (LGAs): Leonora, Wiluna.

Scientific Description
R. Davis, Thursday 21 March 2019

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.