Philotheca eremicola is a shrub that grows to a height of about and has glabrous branchlets. The leaves are crowded near the ends of the branchlets, about long, glossygreen and glandular-warty. The flowers are borne singly on the ends of the branchlets on slender pedicels about long. There are five egg-shaped to narrowtriangularsepals about long with prominent brownglands and five elliptical, white petals with a pink midline and long. The ten stamens are free from each other and hairy.