Introduced annual forb to 1.6m tall. Stems becoming woody at the base. Lower leaves opposite each other, upper leaves alternating up the stems. Leaves with basal lobes, 4-10cm long, 10-40mm wide, flat, hairy, edges toothed to deeply lobed, with pointed tips. Flowers yellow, with 12-15 'petals'. Flower heads below the 'petals' hemispherical, borne singly or in loose groups of 2-6 at the ends of the stems. Verbesina encelioides ssp. encelioides in NSW.
Description and photo in GM Cunningham, WE Mulham, PL Milthorpe and J H Leigh (1981 and later printings) Plants of Western New South Wales page 680
Weeds of Australia Biosecurity Queensland Edition description: http://keyserver.lucidcentral.org/weeds/data/03030800-0b07-490a-8d04-0605030c0f01/media/Html/Verbesina_encelioides.htm