Annual, small herb with branches spreading from the base, glabrous or bearing a sparse to dense indumentum of translucent hairs. Leaves are opposite, filiform to linear, often rolled and appearing terete, up to 8 cm long and 2 mm wide. Spikes are short, cylindrical to globose, up to 1.5 cm long, and borne on short to long peduncles. Lower bracts resemble the leaves, being filiform and longer than the spikes, with a green median band and narrow membranous margins. Anterior calyx lobes are broadly ovate, green, and with membranous margins. Corolla tube is glabrous, strongly wrinkled, with ovate-lanceolate, acute lobes. Seeds are borne in pairs within the capsules, glossy and broadly elliptic, concave on the inner surface, 2 mm long and 1.25 mm wide.