[3] It is a low spreading shrub that with narrowly egg-shaped to almost linear leaves and bright yellow flowers with 22 to 41 stamens in several rows.

Hypocalymma linifolium is a low, spreading shrub that typically grows to a height of 50–70 cm (20–28 in).

There are 22 to 41 stamens shortly joined at the base, the longest filaments about 3 mm (0.12 in) long.

[8] This species of Hypocalymma grows in sand between Badgingarra and Dandaragan in the Geraldton Sandplains and Swan Coastal Plain bioregions of south-western Western Australia.

[3] Hypocalymma linifolium is listed as "Priority One" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions,[3] meaning that it is known from only one or a few locations where it is potentially at risk.