Pteronia oppositifolia is a species of flowering plant in the family Asteraceae, indigenous to the western Little Karoo and Overberg regions in the Cape Provinces of South Africa.

It has small (5x3mm) leaves that are light grey and woolly underneath.

They are yellow, 10mm wide, with sticky, yellow-green bracts.

[2] The distribution of this species is confined to the western Little Karoo as far north as Touws River and Anysberg, as well as the Overberg region, as far east as Mossel Bay.

Its natural habitat is dry, stony, clay-rich soils.