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Chinese bur, Burr bush, Diamond burbark, Triumfetta weed, Hibiscus burr, Paroquet burr.
Erect shrub with hariy stems, stellate hairs mixed with simple hairs. Leaves 2.5-7 x 2.5-6 cm, generally rhomboid-ovate, base rounded or cordate, margins irregularly serrate, apex acute or acuminate, stellate-pubescent to glabrescent; basal ones palmately 3-lobed; petioles up to 4 cm long; stipules 3-4 mm long, subulate. Flowers in terminal or leaf-opposed cymes, 5-6 mm across, shortly pedicellate. Sepals 4-5 mm long, lanceolate, hairy without. Petals yellow, 4-5 mm long, oblong-obovate. Stamens 8-15. Ovary c. 1.5 mm long, ovoid, setose. Capsules 4-5 mm across, subglobose, stellate hairy outside, setose; setae c. 2 mm long, hooked at tip.