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Leaves 2–8 × 0.3–1.8 cm, narrowly elliptic-lanceolate or linear-lanceolate to lanceolate, acute and mucronate at the apex, attenuate or decurrent at the base, ± sinuous or with 1–3 pairs of forward-directed lobes on the margins, sometimes very asymmetrical; midrib prominent beneath and ± puberulous or glabrous.
Flowers pedicellate, 2–4(6) in the axils of bracts, arranged in lax terminal slender racemes up to 30 cm long; bracts up to 4 mm long, chartaceous, obliquely truncate, without a fringe of setae or sometimes with a fringe of setae up to 3 mm long; pedicels 5–7 mm long, erect, glabrous or puberulous.
A herb. It is an annual plant with a taproot. It grows 60 cm high. The leaves are narrow and sword shaped. They are 6-7 mm long. The flowers are small and white. The fruit are cone shaped.
Hermaphrodite flowers heterostylous; perianth white, greenish or pale pink, lobed; tube 1.75–2.3 mm long and densely pubescent outside; lobes 3–4 mm long, oblong, ± acute.
Nut 5–6 mm long, triquetrous, ± conical, usually armed a little above the base with 3 small, sometimes minute, ± retrorse teeth or protuberances at the angles.
Annual herb, up to 1 m high. Ocreae fringed with rigid setae. Leaves narrowly linear, sometimes lobed, densely strigose hairy. Flowers pink or white.
Stems reddish-brown, up to 1 m tall, branched, longitudinally striate, glabrous to pubescent; branches slender, papillose.
Ovary 1 × 0.5 mm; styles of the long-styled flowers 3–3.5 mm long; styles of the short-styled flowers 1–3.5 mm long.
An erect or ascending, annual or short-lived perennial herb with a taproot, generally branching from the base.
Male flowers present; perianth c. 5 mm long; lobes 2–2.5 mm long; filaments 2.5–3 mm long.
Ocrea 4–6 mm long, truncate with a fringe of light brown setae 4–5 mm long at the apex.
Filaments 1–4.5 mm long, filiform; anthers 0.4–0.5 × 0.25 mm.
