Goodenia larapinta is an erect perennial herb that typically grows to a height of. It has elliptic to lance-shaped leaves arranged along the stem, long and wide. The flowers are arranged in racemes up to long with leaf-like bracts, each flower on a pedicel long. The sepals are lance-shaped, long, the corolla yellow, long. The lower lobes of the corolla are up to long with wings wide. Flowering mainly occurs from April to September and the fruit is a cylindrical capsule long.