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Bisexual, glabrous, annual herb, up to 0.15 m in diam., from slender fibrous rootstock. Leaves 2-10 x 1-5 mm, entire or toothed, glabrous, often marked with red blotch, shortly petiolate, stipules subulate or finely segmented. Cyathia solitary, axillary, ± 1 mm in diam.; glands 4, appendages narrow, entire or 2-to 3-toothed, pale. Flowering time Oct.-Mar. Capsule 1.5-2.0 mm in diam., obtusely 3-angled, glabrous, exserted.
Annual herb. Stems procumbent, rarely erect, much branched; glabrous, tinged red. Leaves opposite, green; blade ovate, up to 14 x 6 mm, apex obtuse, base obliquely rounded, margins serrate. Flowers: in solitary and terminal inflorescences; stipules ± 1.5 mm long, deeply divided into 3-5 linear teeth; greenish purple; Sep.-May.
Leaves with a petiole to 1.5 mm long; stipules to 1.5 mm long, deeply divided into 3–5 linear points; lamina to 10 × 6 mm, ovate to occasionally lanceolate, obtuse at the apex, very obliquely rounded to subcordate at the base, margin minutely toothed, often very obscurely so.
Cyathia terminal and pseudoaxillary on short leafy shoots, solitary on peduncles 1 mm long, 1 × 1 mm with cup-shaped involucres; glands 4, minute, transversely elliptic, red with small lobed pink or white appendages; involucral lobes minute, triangular, sharply toothed.
Annual, prostrate herb, much-branched, glabrous. Leaves ovate, up to 14 x 6 mm, base obliquely rounded, apex obtuse, margin serrate. Stipules 1.5 mm long, deeply divided into 6-11 mmear teeth. Flowers greenish purple.
Annual herb, rarely perennial, prostrate and much-branched up to 50 cm in diameter or sometimes decumbent with branches up to 30 cm long; branches longitudinally ridged especially when dry, completely glabrous.
An annual herb. It lies along the ground and grows 50 cm wide. The leaves are 10 mm long by 5 mm wide. The fruit is a capsule 1.5 mm long and slightly wider. It has 3 lobes
Capsule exserted on a reflexed pedicel 2 mm long, 1.5 × 1.75 mm, acutely 3-lobed with the angles often purple-tinged.
Seeds 1.25 × 0.75 mm, oblong-conical, with shallow transverse wrinkles and pits, greyish-brown.
Female flower: ovary pedicellate; styles 0.5 mm long, spreading, bifid almost to the base.
Male flowers: bracteoles laciniate; stamens 1.25 mm long.
