[1] Characterized by pink to mauve drooping (pendulous), auxiliary, solitary flowers, which are radially symmetrical, consisting of 4 sepals and 4 petals, 6 mm long.

[2] Stamen tube widest between the base and the apex and are often hidden by the petals, hence the common name black eyed susan.

T. pilosa grows sparsely amongst other woody shrub species such as Epacris impressa, Pultenaea juniperina, Davisea latifolia.

Ground cover usually consists of a sparse layer of Gonocarpus teucroides and a high coverage of fine litter and rocks.

[citation needed] The black centre creates a target for native bees which are capable of buzz pollination.