Brunonia australis R.Br. Native Cornflower
Prodr. 590 (1810)

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

Brief Description
Grazyna Paczkowska, Tuesday 5 March 1996

Tufted perennial, herb or shrub, 0.05-0.4 m high. Fl. blue, May to Oct. Red sand. Sand dunes, stony hills, sandplains.

Distribution

Beard’s Provinces: Eremaean Province, South-West Province.

IBRA Regions: Avon Wheatbelt, Carnarvon, Central Ranges, Coolgardie, Gascoyne, Geraldton Sandplains, Gibson Desert, Great Sandy Desert, Great Victoria Desert, Little Sandy Desert, Mallee, Murchison, Nullarbor, Pilbara, Swan Coastal Plain, Yalgoo.

IBRA Subregions: Augustus, Avon Wheatbelt P1, Avon Wheatbelt P2, Carnegie, Central, Eastern Goldfield, Eastern Murchison, Fortescue, Geraldton Hills, Hamersley, Lateritic Plain, Lesueur Sandplain, Mackay, Mann-Musgrave Block, Northern band, Carlisle, Perth, Shield, Southern Cross, Tallering, Trainor, Western Mallee, Western Murchison, Wooramel.

Local Government Areas (LGAs): Ashburton, Chapman Valley, Coolgardie, Coorow, Corrigin, Cue, Dalwallinu, Dowerin, Dundas, East Pilbara, Goomalling, Greater Geraldton, Kalgoorlie-Boulder, Kellerberrin, Kondinin, Kulin, Laverton, Leonora, Meekatharra, Menzies, Merredin, Moora, Morawa, Mount Magnet, Mount Marshall, Mukinbudin, Murchison, Murray, Narembeen, Ngaanyatjarraku, Northampton, Nungarin, Perenjori, Quairading, Sandstone, Tammin, Upper Gascoyne, Wiluna, Wongan-Ballidu, Wyalkatchem, Yalgoo, Yilgarn.

Scientific Description
Chris Hollister and Kevin Thiele, Wednesday 17 May 2017

Stems unribbed. Leaves flat, 20-55 mm long, 2-5 mm wide, hairy, with dense, present hairs; margins entire. Bracteoles present, 3.5-6 mm long, hairy, with simple hairs. Flowers Presence absent (flowers sessile). Calyx lobes present, Calyx length 6.5-9 mm long, hairy, with dense, simple hairs. Corolla blue, 6-7 mm long, without auricles, not spurred, hairy on the outside, with dense, simple hairs, glabrous on the inside, without wings, wingless. Anthers free. Ovary superior, not gibbose; style 5-7.5 mm long, hairy; indusium single, hairy; ovules one or two. Flowers in May, June, July, August, September and October. Occurs in the Pilbara (PIL), Yalgoo (YAL), Murchison (MUR), Great Victoria Desert (GVD), Coolgardie (COO), Carnarvon (CAR), Central Ranges (CR), Gascoyne (GAS), Gibson Desert (GD), Great Sandy Desert (GSD), Little Sandy Desert(LSD), Geraldton Sandplains (GS), Swan Coastal Plain (SWA), Mallee (MAL) and Esperance Plains (ESP) IBRA Region(s), of the Eremaean (E) and South West (SW) Botanical Province.