Herb, possibly annual or perennial, drying blackish or fuscous; stems tufted, up to 1 m long, sprawling, decumbent or sometimes erect (?), profusely branched, strongly ribbed to almost narrowly winged by raised vascular strands terminating in midribs of leaves and bracts, leafy.
Perianth whitish to yellowish within; tube 0.7–1 mm long, external glands obscure; lobes 0.8–1.3 × 0.4–0.6 mm, triangular, subacute, margins slightly inflexed, weakly fimbriate-erose.
Flowers 1–5 in small pseudoracemes terminating every twiglet (apical flowers the oldest), the whole forming a lax well branched panicle.
Stamens inserted at base of lobes; filaments 0.2–0.6 mm long, hidden by anthers to partly visible; anthers 0.3–0.6 mm long.
Herb. Leaves 10-20 mm long, erect or ascending. Edges of flowering branchlets distinctly scabrid. Pedicels 3-7 mm long.
Fruit 2.5–3.5 × 2–3.5 mm, brownish-buff, 5 ribs strongly raised, 5 less so, finely and distinctly reticulate.
Bracts (lowermost) 8–25 × 0.6–1 mm, leaf-like, adnate to entire pedicel; bracteoles 2, 4–7 × 0.4–0.8 mm.
Style 0.7–1 mm long; stigma reaching middle or top of anthers.
Pedicels (lowermost) 3–10 mm long.