Prostrate or decumbent, multi-stemmed, sometimes aromatic, annual, 5-30 cm high. Stems herbaceous to semi-woody or rarely semi-succulent, up to approximately 50 cm long, 1-4 mm in diam., pubescent to pilose with straight erect hairs or rarely with curved hairs, with few to many stalked and sessile glands. Leaves alternate on the short primary stem, but subopposite to opposite on the lateral branches, those of a pair unequal, the smaller leaves with lateral, often stunted branches and/or inflorescences in the axil; petiole with the same indumentum and glands as the stem, 1-2 x as long as the blade, 10-70 mm long, mostly flattened or thickened at the base; stipules with the same indumentum and glands as the stem, 2-10 mm long, mostly straw-coloured, deciduous; blade ovate, 1-2 x as long as wide, mostly folded upwards along the midrib, 10-40 x 5-35 mm, acute and mostly shortly mucronate at the apex, cordate at the base, ciliate, conspicuously to obscurely serrate or dentate and often pink-tinged at the margin, above granulose, glandular-punctate, with sessile glands, often obscurely pubescent, beneath obscurely pubescent or with the main veins moderately pubescent and with stalked glands; main veins subpinnate, 5 or 7 branching from the base, impressed above and prominent beneath. Inflorescences axillary, I-flowered, 20-45 mm long. Peduncles and pedicels slender, with the same indumentum and glands as the stem or pedicel more pilose; peduncles 8-25 mm long, 1-3 x as long as the pedicels; pedicels 4-15 mm long, geniculate under the fruit, sometimes pink-tinged; involucral bracts 2, opposite, subulate, with the indumentum and glands of the stem, 3-9 mm long. Sepals green to pinkish, free, narrowly elliptic to elliptic or narrowly ovate to ovate or obovate, 1.5-3 x as long as wide, 5-7 x 2-4 mm, outside with a soft double indumentum the first of which is pubescent with erect hairs and the second is composed of few to many long, straight erect hairs, with sessile and stalked glands, inside glabrous, mostly with 3 parallel main veins, ciliate margin; with mucro subulate throughout or subulate at the base and terete towards the apex, 1-4 mm long, mostly curved, greenish to deep pink, with stalked glands and often also with a few scattered long hairs. Petals narrowly obtriangular to obtriangular, 1.5-3 x as long as wide, 6-12 x 3-6mm, 1-2 x as long as the sepals, 1-2 x as long as the stamens, pink to deep pink, rarely mauve to violet, glabrous, sometimes with sessile and subsessile glands, with dark or maroon venation, with 3, 4 or 5 main veins, winged and obscurely ciliate at the base, obscurely lobed to sinuate and rarely obtuse or emarginate at the apex. Stamens monadelphous, arranged in a cup-shaped column around the pistil; groups basally connate for 0.5-1 mm; filaments of each group basally connate for 1-3 mm; filaments in the central stamens 5-7 mm and in the lateral 4-6 mm long: rarely terete at the apex, glabrous inside and glabrous or sparsely hairy outside; an obscure to conspicuous triangular or ovate gland-cavity with 2 parallel, vertical rims is situated on the outer side of the base of each bundle' anthers elliptic to broadly elliptic, 0.6-1 x 0.5-0.8 mm, subintrorse. Pistil 4-7 mm long; ovary broadly obovoid, 1-2 x 1-2 mm, hyalino-hirsute with the longer hairs gland-based, ridged and rimmed; beak longitudinally grooved, 2-3 mm long, lanulose throughout or lanulose at the base and pubescent towards the apex, with numerous stalked glands; stigmas clavate, creamy-yellow, 0.8-1.1 x 0.3-0.4 mm, outside pubescent and with stalked glands; margin entire or subentire; apex acute or obtuse. Fruit 60-130 mm long; mericarps 9-11 x 1.8-2 mm and beak 55-120 mm long; mericarps narrowly and obliquely obovoid, brown, with a double indumentum, long-strigose with red-based hairs and shortly hirsute; ridged and rimmed at the apex, with the ridge and rim conspicuous and at an oblique angle to the tail, hirsute outside, hispid inside where the tail detaches from the beak axis; these stiff hairs whitish, and long at the tail's base, forming a crest. Seed narrowly obovoid, 4-5 x 1-1.5 mm, rarely obscurely hairy.
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Annual prostrate to decumbent or sometimes somewhat erect herb, branching from the often woody base; stems up to 4 dm. long but oftenshorter (sometimes fruiting at a height of only 7 cm.), frequently with short alternating lateral shoots in one of the axils of the apparently opposite leaves; internodes 0.5–4(–6.5) cm. long; vegetative parts, peduncles and pedicels more or less covered with short patent or somewhat recurved often gland-tipped hairs.. Leaves alternate but at every node a leaf is apparently opposite a shoot; lamina ovate in outline, 0.9–4 cm. long, 0.4–2.5(–3.5) cm. wide, acute at the apex, margin serrate or dentate to repand-dentate, the base cordate; petiole 1.2–4.5 cm. long; stipules acicular to subulate, 3–10(–12) mm. long.. Inflorescence usually of solitary axillary flowers; peduncle 0.5–2 cm. long, leaf-opposed or in the axil of the smaller of the 2 apparently opposite leaves, often on stunted axillary branches; pedicel 1.8–4 cm. long; bracts 1–2 per pedicel, linear, 5–15 mm. long, 0.5–1 mm. wide.. Sepals narrowly oblong-elliptic, with an acicular 1–2 mm. long apical appendage, 6–12 mm. long, 1.5–3.2 mm. wide, densely silky pubescent with long glandless patent hairs mixed with the glandular ones.. Petals obovate, 9–12 mm. long, 5.5–7.8 mm. wide, the apex truncate or sometimes shallowly lobed, pink with dark veins.. Stamens greenish-yellow; filaments 4.8–6.5 mm. long, pubescent; anthers 0.8–1 mm. long, 0.7–0.8 mm. wide.. Extrastaminal glands ovate, sometimes with only the lateral rims clearly visible.. Ovary densely woolly; stigmas clavate, 0.8–1.2 mm. long, pubescent on the outer surface.. Fruit 7–10.5 cm. long; mericarps 8.5–10 mm. long, 2.2–2.5 mm. wide.. Seeds 5–5.5 mm. long, 1.5–2.4 mm. wide; testa minutely reticulate, pale brown.. Fig. 2, p. 12.
A herb or small shrub. It can lie along the ground. It can grow each year from seeds or keep growing for a few years. It grows 30 cm high. The leaves are alternate on the short primary stem. They are opposite on the side branches. The leaves are oval and there are teeth along the edge. The base is heart shaped. The flowers are pink with darker veins. The fruit are 7-10 cm long including the curved beak.
Prostrate to decumbent or sometimes ± erect annual herb, branching from the often woody base; stems up to 40 cm. long, but often shorter, frequently with short lateral shoots in one of the axils of apparently opposite leaves; internodes up to 3 cm. long; vegetative parts, peduncles and pedicels ± densely covered with short patent or ± recurved, often gland-tipped hairs.
Peduncle 0·5–1·5 (2) cm. long, leaf-opposed or in the axil of the smaller of 2 apparently opposite leaves, often on stunted axillary branches, usually 1-flowered; pedicel 1·8–4 cm. long; bracts 1–2, 5–12 (15) × 0·5–1 mm., linear.
Leaf-lamina 0·9–3 (4) × 0·4–2·5 (3·5) cm., ovate, apex acute, margin serrate or dentate to repand-dentate, base cordate; petiole 1·2–4·5 cm. long; stipules (3) 5–10 (12) mm. long, acicular to subulate.
Sepals (6) 7–12 × 1·5–3·2 mm., narrowly oblong-elliptic with an acicular apical appendage 1–2 mm. long, densely silky-pubescent with longer glandless patent hairs mixed with the normal glandular ones.
Petals 9–12 × 5·5–7·8 mm., pink with darker veins, obovate, apex truncate or sometimes shallowly lobed.
Extrastaminal glands ovate with sometimes only the two lateral rims clearly visible.
Filaments 4·8–6·5 mm. long, pubescent; anthers 0·8–1 × 0·7–0·8 mm.
Seeds 5–5·5 × (1·6) 2·1–2·4 mm., pale brown, minutely reticulate.
Ovary tomentose; stigmas 0·8–1·2 mm. long, clavate.
Fruit 7–10·5 cm. long; cocci 8·5–10 × 2·2–2·5 mm.
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