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Annual herb, prostrate, often mat-forming.. Leaves elliptic, broadly ovate to almost round, 1–4.5 cm long, 0.8–4 cm wide, base truncate or shortly cuneate, margins subentire to dentate, apex acute or obtuse, pubescent but quickly glabresecnt, densely glandular; petiole to 1 cm long.. Capitula axillary, on a short stalk; involucre 3 mm long, accrescent in fruit and then up to 10 mm long; phyllaries ciliate.. Florets yellow or greenish cream, the rays 1.4 mm long and glandular; disc florets ± 2 mm long, glandular.. Fruits usually 4–5, oblong, 8–10 mm long, 5–7-ribbed, the angles with 1–2 rows of hooked spines 1–2 mm long, apex with large pore, glandular.
Prostate herb, branches spreading widely and often rooting along whole length, leafy. Leaves opposite, petiolate, up to 30 x 25 mm, elliptic to broadly ovate, base cuneate, margins coarsely toothed, glabrous or glabrescent above and below, gland-dotted. Capitula pendunculate, 5-7 mm in diam. when flowering, up to 20 mm in fruit. Flowering time Dec.-Apr.? Cypselae 4 or 5 in number, radiating from the disc, each enveloped in an enlarged involucral bract, forming a fusiform-oblong fruit 8-10 mm long, covered in short hooked spines.
A prostrate herb, branches spreading widely and often rooting along their whole length, leafy. Leaves opposite, petiolate, up to 3 x 2.5 cm, elliptic to broadly ovate, base cuneate, margins coarsely toothed, glabrous or glabrescent above and below, gland-dotted. Heads pedunculate, 5-7 mm across in flower, up to 2 cm in fruit. Fertile fruits 4-5 in number, radiating from the disc, each achene enveloped in an enlarged involucral bract, forming a fusiform-oblong fruit 0.8-1 cm long, covered in short hooked spines.
Prostrate herb. Leaves and stems glabrous or pubescent. Fruits typically 4 or 13 cm a head, 10 mm long, oblong-fusiform, covered in short hooked spines all much the same size. Flowers yellowish or whitish.
