Stylidium capillare is a dicotyledonous plant that belongs to the genus Stylidium (family Stylidiaceae). It is an annual plant that grows from 6 to 13 cm tall. Obovate or orbicular leaves, about 4-7 per plant, form basal rosettes around the compressed stems. The leaves are generally 1.5âÂÂ5 mm long and 1âÂÂ3 mm wide. Petioles are absent. This species usually has one to two scapes per plant and 6âÂÂ13 cm long inflorescences. Flowers are white and bloom from March to June in the Southern Hemisphere. S. capillare<nowiki>'</nowiki>s distribution ranges from Litchfield National Park in the Northern Territory east to Cooktown Mareeba in northern Queensland, Australia. Its habitat is recorded as being sandy soils in eucalypt woodlands and swampy Melaleuca species communities. S. capillare is most closely related to S. nominatum. Its conservation status has been assessed as secure.