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Ptilotus alexandri Benl

Nuytsia 1:344-347 (1974)
Conservation Code
Priority Two
Naturalised Status
Native to Western Australia
Name Status

Erect annual, herb, 0.1-0.3 m high, leaves spathulate, 5-45 mm long, 2-12 mm wide, spike ovoid or cylindrical, pink, 13-30 mm long, 15-23 mm wide, 30-70 flowered; tepals 7-9 mm long, hairs verticillate, apex glabrous, attenuate; stamens 1, fertile, staminodes 4; Ovary glabrous; style falcate, 1.6-1.8mm long, eccentrically fixed to ovary. Fl. pink, Aug to Oct. Red-white sand. Dunes.

Amanda Spooner, Descriptive Catalogue, 12 May 2008

Scientific Description

Annuals, stems several, more or less erect, persistently hairy or glabrescent, with verticillate hairs. Leaves present, 5-45 mm long, 2-12 mm wide, glabrescent or glabrous, with verticillate hairs; basal rosette present; cauline leaves alternate. Spikes pink, ovoid or cylindrical, solitary, with densely arranged flowers. Bracts 4.8-5.3 mm long, coloured, hairy, not awned or mucronate, with an obscure midrib. Bracteoles 6-6.4 mm long, colourless, hairy, awned or mucronate, with a prominent midrib. Outer tepals 8.9-10 mm long, not entire. Inner tepals 8.6-9 mm long, with a basal tuft of hairs on inner face. Style 1.6 mm long, curved, obliquely fixed to ovary. Seeds 1-1.2 mm long, glossy, black. Distribution: Eremaean Botanical Region; IBRA regions: Carnarvon, Yalgoo.

R. Davis, 30 April 2019


IBRA Regions
Carnarvon, Yalgoo.
IBRA Subregions
Edel, Wooramel.
IMCRA Regions
Shark Bay.
Local Government Areas (LGAs)
Carnarvon, Shark Bay.