Pimelea filifolia is a species of flowering plant in the family Thymelaeaceae and is endemic to Arnhem Land in the Northern Territory of Australia. It is an erect herb with thread-like leaves and clusters of pale pink flowers.
Pimelea filifolia is an erect herb that typically grows to a height of . The leaves are thread-like, long and wide. The flowers are arranged in clusters on a peduncle long surrounded by green and purplish, egg-shaped involucral bracts long and wide. The flowers are pale pink or purplish white, each on a pedicel up to long, the floral tube long and the sepals long. Flowering occurs between February and July.[1]
This species was first formally described in 1990 by Barbara Lynette Rye who gave it the name Thecanthes filifolia in the Flora of Australia from specimens collected by Clyde Dunlop.[2] [3] In 2016, Charles S.P. Foster and Murray J. Henwood changed the name to Pimelea filifolia in Australian Systematic Botany.[4] The specific epithet (filifolia) means "thread-leaved".[5]
Pimelea filifolia grows in sandy soil on sandstone pavement, usually near watercourses, from the far north to near Katherine, in Arnhem Land.[6]
Pimelea filifolia is listed as "least" under the Northern Territory Territory Parks and Wildlife Conservation Act.