Small subshrubs with woolly branchlets. Leaves alternate, sessile, linear, covered with semi-appressed silky hairs. Flowers bisexual, solitary in axils; perianth immersed in woolly hairs, cup-shaped, 5-lobed, fleshy in lower half; stamens 5, stigmas 2. Fruiting perianth subglobular, hard, densely woolly, developing 2 series of 5 appendages near maturity; the inner erect, oblong and deeply divided, arising from base of perianth lobes; the outer spreading, entire or narrowly lobed, spinescent, arising immediately below inner series; radicular slit extending to near base; pericarp crustaceous above, membranous below; seed thick, horizontal, testa membranous.
Endemic monotypic genus in central to southern, semi-arid Australia.