Ptilotus axillaris (Benth.) F.Muell. Mat Mulla Mulla
Pl.North-West.Austral. 7 (1881)

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

Brief Description
Amanda Spooner, Tuesday 27 May 2008

Prostrate annual, herb, 0.03-0.12 m high, leaves, ovate-spathulate, 7-110 mm long, leaves 2-45 mm wide; spike ovoid-cylindrical, 15-50 mm long; spike 25-40 mm wide; bract 7.5-9 mm long; bracteole 8.5-10 mm long; tepals 17-20 mm long; fertile stamens 2, staminodes 3; ovary hairy; style curved, 3.8-5 mm long, eccentrically fixed to ovary. Fl. pink-white, Apr to Nov. Red sand. Stony hills, plains, sand dunes.

Distribution

Beard’s Provinces: Eremaean Province, Northern Province.

IBRA Regions: Carnarvon, Dampierland, Gascoyne, Gibson Desert, Great Sandy Desert, Little Sandy Desert, Pilbara.

IBRA Subregions: Ashburton, Augustus, Cape Range, Chichester, Fortescue, Hamersley, Lateritic Plain, Mackay, McLarty, Pindanland, Roebourne, Rudall, Trainor, Wooramel.

IMCRA Regions: Eighty Mile Beach, Ningaloo, Pilbara (nearshore).

Local Government Areas (LGAs): Ashburton, Broome, Carnarvon, East Pilbara, Exmouth, Karratha, Ngaanyatjarraku, Port Hedland, Upper Gascoyne, Wiluna.

Scientific Description
Robert Davis, Thursday 22 December 2016

Prostrate, annual herbs, 3-8 cm high. Stems with sparse verticillate hairs. Basal leaves oblanceolate, 50-100 mm long, 15-30(-45) mm wide, glabrous or with sparse verticillate hairs. Cauline leaves alternate, ovate or elliptical, 7-45(-50) mm long, 2-40 mm wide, glabrous, or with verticillate hairs. Inflorescences solitary, pink or magenta, ovoid or cylindrical, 15-50 mm long, (22-)25-40 mm diam. Bracts dark brown, ovate, (4.5-)6-7 mm long, with long, verticillate hairs. Bracteoles (5-)6.5-6.8 mm long, translucent, broadly ovate, with sparse verticillate hairs mostly along mid-rib. Outer tepals (11-)13-17.5 mm long, hairy except at the apex, with verticillate hairs, the hairs not exceeding apex, the apex rounded, retuse or apiculate, serrated; inner tepals (10.5-)11.5-16 mm long, glabrous within. Staminal cup 1.8-2.5 mm long, glabrous; fertile stamens 2; staminodes 3. Ovary with tufts of sub-verticillate hairs at apex; style curved, obliquely fixed to ovary, 3.8-5 mm long, with sub-verticillate hairs. Seeds dull, black or brown, 1.7-1.9 mm long.