Brittle, much-branched shrub to 60 cm high. Branches woolly. Leaves usually opposite, linear to semi-terete or boat-shaped, obtuse to acute, 7–12 mm long, sessile, silky. Flowers solitary, bisexual, densely woolly. Fruiting perianth very depressed, pale gold when dry; tube flat or slightly convex, 4–6 mm diam., crustaceous or cartilaginous, glabrous; wing continuous with tube, simple, flat or somewhat recurved around stem usually 15–23 mm diam., thin, entire, with a single radial (radicular) slit, sparsely woolly above; upper perianth convex, ±woolly. Style terete, hard, prominently exserted.