Forb to 1.3m tall. Leaves basal and alternating up the stems, slightly stem-clasping, to 20cm long, to 80mm wide, flat, sticky hairy. Stem leaves with basal lobes. Flowers pink or white outside, white inside, tubular, with 5 scalloped lobes, in 'panicles' at the tops of the flower stems which arise from the base of the plant. Flowers which self-pollinate without opening are common.
Online fact sheet published by the South Australian Herbarium: http://www.flora.sa.gov.au/efsa/lucid/Solanaceae/Nicotiana%20species/key/Australian%20Nicotiana%20species/Media/Html/Nicotiana_occidentalis_subsp._obliqua.htm