Plants → Magnoliophyta → Magnoliopsida → Caryophyllales → Amaranthaceae Juss. → Ptilotus R.Br. → Ptilotus calostachyus F.Muell.

Ptilotus calostachyus F.Muell. Weeping Mulla Mulla
Fragm. 6:231 (1868)

Conservation Code: Not threatened
Naturalised Status: Native to Western Australia
Name Status: Current
Photo of Ptilotus calostachyus F.Muell.
Browse to the list of specimens for Ptilotus calostachyus F.Muell.

Brief Description
Amanda Spooner, Monday 30 August 1999

Erect or spreading perennial, herb or shrub, 0.2-2 m high. Fl. pink-white, Mar to Oct. Red sand, stony sand. Variety of habitats.

Distribution

Beard’s Provinces: Eremaean Province, Northern Province.

IBRA Regions: Central Kimberley, Central Ranges, Dampierland, Gascoyne, Gibson Desert, Great Sandy Desert, Little Sandy Desert, Ord Victoria Plain, Pilbara, Tanami.

IBRA Subregions: Ashburton, Augustus, Chichester, Dune Field, Fortescue, Hamersley, Hart, Lateritic Plain, Mackay, Mann-Musgrave Block, McLarty, Ord, Ord-Victoria Plains P1, Pentecost, Pindanland, Roebourne, Rudall, South Kimberley Interzone, Tanami P1, Trainor.

Local Government Areas (LGAs): Ashburton, Broome, Derby/west Kimberley, East Pilbara, Halls Creek, Karratha, Meekatharra, Ngaanyatjarraku, Port Hedland, Upper Gascoyne, Wyndham-East Kimberley.

Scientific Description
R. Davis, Thursday 21 March 2019

Perennial herbs or annuals, stems single, more or less erect, glabrous. Leaves present, 10-90 mm long, 1-3 mm wide, glabrous; basal rosette absent; cauline leaves alternate. Spikes pink, cylindrical, solitary, with densely arranged flowers. Bracts (1.2-)1.7-3.2 mm long, colourless, glabrous or hairy, not awned or mucronate, with an obscure midrib. Bracteoles (1.1-)2-3 mm long, colourless, glabrous or hairy, not awned or mucronate, with an obscure midrib. Outer tepals (3-)3.3-6 mm long, entire. Inner tepals (3-)3.3-5.8 mm long, glabrous within. Style 1.4-2.5(-2.7) mm long, straight, centrally fixed to ovary. Seeds (1.1-)1.3-1.5 mm long, glossy, brown. Distribution: Northern and Eremaean Botanical Region; IBRA regions: Carnarvon, Coolgardie, Gascoyne, Gibbson Desert, Great Sandy Desert, Little Sandy Desert, Murchison, Pilbara, Tanami, Central Kimberley, Dampierland, Ord Victoria Plains, Victoria Bonaparte.